Home / 178,240.02-267,360.21-45,120.27

Finding the Fourth Proportional to 178,240.02, 267,360.21 and 45,120.27

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Solution

The fourth proportional to 178,240.02, 267,360.21 and 45,120.27 is: 67,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,240.02 : 267,360.21 = 45,120.27 : x
  2. Step 2: Convert to fraction form
    178,240.02/267,360.21 = 45,120.27/x
  3. Step 3: Cross multiply
    178,240.02x = 267,360.21 × 45,120.27
  4. Step 4: Simplify right side
    178,240.02x = 12,063,364,862.46
  5. Step 5: Solve for x
    x = 12,063,364,862.46/178,240.02
  6. Step 6: Final answer
    x = 67,680.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.