Home / 156,742.20-235,148.76-51,562.08

Finding the Fourth Proportional to 156,742.20, 235,148.76 and 51,562.08

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Solution

The fourth proportional to 156,742.20, 235,148.76 and 51,562.08 is: 77,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.20 : 235,148.76 = 51,562.08 : x
  2. Step 2: Convert to fraction form
    156,742.20/235,148.76 = 51,562.08/x
  3. Step 3: Cross multiply
    156,742.20x = 235,148.76 × 51,562.08
  4. Step 4: Simplify right side
    156,742.20x = 12,124,759,175.02
  5. Step 5: Solve for x
    x = 12,124,759,175.02/156,742.20
  6. Step 6: Final answer
    x = 77,354.78

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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.