Home / 178,035.20-267,225.60-89,388.80

Finding the Fourth Proportional to 178,035.20, 267,225.60 and 89,388.80

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Solution

The fourth proportional to 178,035.20, 267,225.60 and 89,388.80 is: 134,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,035.20 : 267,225.60 = 89,388.80 : x
  2. Step 2: Convert to fraction form
    178,035.20/267,225.60 = 89,388.80/x
  3. Step 3: Cross multiply
    178,035.20x = 267,225.60 × 89,388.80
  4. Step 4: Simplify right side
    178,035.20x = 23,886,975,713.28
  5. Step 5: Solve for x
    x = 23,886,975,713.28/178,035.20
  6. Step 6: Final answer
    x = 134,169.96

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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.