Home / 156,915.76-216,575.25-93,241.24

Finding the Fourth Proportional to 156,915.76, 216,575.25 and 93,241.24

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Solution

The fourth proportional to 156,915.76, 216,575.25 and 93,241.24 is: 128,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.76 : 216,575.25 = 93,241.24 : x
  2. Step 2: Convert to fraction form
    156,915.76/216,575.25 = 93,241.24/x
  3. Step 3: Cross multiply
    156,915.76x = 216,575.25 × 93,241.24
  4. Step 4: Simplify right side
    156,915.76x = 20,193,744,863.31
  5. Step 5: Solve for x
    x = 20,193,744,863.31/156,915.76
  6. Step 6: Final answer
    x = 128,691.63

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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.