Home / 156,737.30-235,107-38,408.65

Finding the Fourth Proportional to 156,737.30, 235,107 and 38,408.65

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Solution

The fourth proportional to 156,737.30, 235,107 and 38,408.65 is: 57,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,737.30 : 235,107 = 38,408.65 : x
  2. Step 2: Convert to fraction form
    156,737.30/235,107 = 38,408.65/x
  3. Step 3: Cross multiply
    156,737.30x = 235,107 × 38,408.65
  4. Step 4: Simplify right side
    156,737.30x = 9,030,141,887.78
  5. Step 5: Solve for x
    x = 9,030,141,887.78/156,737.30
  6. Step 6: Final answer
    x = 57,613.23

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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.