Home / 156,915.92-236,227.64-142,965.56

Finding the Fourth Proportional to 156,915.92, 236,227.64 and 142,965.56

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Solution

The fourth proportional to 156,915.92, 236,227.64 and 142,965.56 is: 215,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.92 : 236,227.64 = 142,965.56 : x
  2. Step 2: Convert to fraction form
    156,915.92/236,227.64 = 142,965.56/x
  3. Step 3: Cross multiply
    156,915.92x = 236,227.64 × 142,965.56
  4. Step 4: Simplify right side
    156,915.92x = 33,772,416,840.08
  5. Step 5: Solve for x
    x = 33,772,416,840.08/156,915.92
  6. Step 6: Final answer
    x = 215,226.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.