Home / 122,867.46-169,555.41-71,915.22

Finding the Fourth Proportional to 122,867.46, 169,555.41 and 71,915.22

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Solution

The fourth proportional to 122,867.46, 169,555.41 and 71,915.22 is: 99,242.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,867.46 : 169,555.41 = 71,915.22 : x
  2. Step 2: Convert to fraction form
    122,867.46/169,555.41 = 71,915.22/x
  3. Step 3: Cross multiply
    122,867.46x = 169,555.41 × 71,915.22
  4. Step 4: Simplify right side
    122,867.46x = 12,193,614,612.34
  5. Step 5: Solve for x
    x = 12,193,614,612.34/122,867.46
  6. Step 6: Final answer
    x = 99,242.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.