Home / 156,716.08-235,072.50-38,388.04

Finding the Fourth Proportional to 156,716.08, 235,072.50 and 38,388.04

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Solution

The fourth proportional to 156,716.08, 235,072.50 and 38,388.04 is: 57,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,716.08 : 235,072.50 = 38,388.04 : x
  2. Step 2: Convert to fraction form
    156,716.08/235,072.50 = 38,388.04/x
  3. Step 3: Cross multiply
    156,716.08x = 235,072.50 × 38,388.04
  4. Step 4: Simplify right side
    156,716.08x = 9,023,972,532.90
  5. Step 5: Solve for x
    x = 9,023,972,532.90/156,716.08
  6. Step 6: Final answer
    x = 57,581.66

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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.