Home / 156,781.06-235,176.06-38,452.30

Finding the Fourth Proportional to 156,781.06, 235,176.06 and 38,452.30

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Solution

The fourth proportional to 156,781.06, 235,176.06 and 38,452.30 is: 57,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,781.06 : 235,176.06 = 38,452.30 : x
  2. Step 2: Convert to fraction form
    156,781.06/235,176.06 = 38,452.30/x
  3. Step 3: Cross multiply
    156,781.06x = 235,176.06 × 38,452.30
  4. Step 4: Simplify right side
    156,781.06x = 9,043,060,411.94
  5. Step 5: Solve for x
    x = 9,043,060,411.94/156,781.06
  6. Step 6: Final answer
    x = 57,679.55

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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.