Home / 156,779.88-216,350.10-93,116.04

Finding the Fourth Proportional to 156,779.88, 216,350.10 and 93,116.04

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Solution

The fourth proportional to 156,779.88, 216,350.10 and 93,116.04 is: 128,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779.88 : 216,350.10 = 93,116.04 : x
  2. Step 2: Convert to fraction form
    156,779.88/216,350.10 = 93,116.04/x
  3. Step 3: Cross multiply
    156,779.88x = 216,350.10 × 93,116.04
  4. Step 4: Simplify right side
    156,779.88x = 20,145,664,565.60
  5. Step 5: Solve for x
    x = 20,145,664,565.60/156,779.88
  6. Step 6: Final answer
    x = 128,496.49

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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.