Home / 156,936.53-235,463.12-72,737.03

Finding the Fourth Proportional to 156,936.53, 235,463.12 and 72,737.03

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Solution

The fourth proportional to 156,936.53, 235,463.12 and 72,737.03 is: 109,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,936.53 : 235,463.12 = 72,737.03 : x
  2. Step 2: Convert to fraction form
    156,936.53/235,463.12 = 72,737.03/x
  3. Step 3: Cross multiply
    156,936.53x = 235,463.12 × 72,737.03
  4. Step 4: Simplify right side
    156,936.53x = 17,126,888,023.33
  5. Step 5: Solve for x
    x = 17,126,888,023.33/156,936.53
  6. Step 6: Final answer
    x = 109,132.58

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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.