Home / 156,717.30-234,915.10-61,909.10

Finding the Fourth Proportional to 156,717.30, 234,915.10 and 61,909.10

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Solution

The fourth proportional to 156,717.30, 234,915.10 and 61,909.10 is: 92,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.30 : 234,915.10 = 61,909.10 : x
  2. Step 2: Convert to fraction form
    156,717.30/234,915.10 = 61,909.10/x
  3. Step 3: Cross multiply
    156,717.30x = 234,915.10 × 61,909.10
  4. Step 4: Simplify right side
    156,717.30x = 14,543,382,417.41
  5. Step 5: Solve for x
    x = 14,543,382,417.41/156,717.30
  6. Step 6: Final answer
    x = 92,800.11

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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.