Home / 156,918.04-235,375-38,590.41

Finding the Fourth Proportional to 156,918.04, 235,375 and 38,590.41

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Solution

The fourth proportional to 156,918.04, 235,375 and 38,590.41 is: 57,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.04 : 235,375 = 38,590.41 : x
  2. Step 2: Convert to fraction form
    156,918.04/235,375 = 38,590.41/x
  3. Step 3: Cross multiply
    156,918.04x = 235,375 × 38,590.41
  4. Step 4: Simplify right side
    156,918.04x = 9,083,217,753.75
  5. Step 5: Solve for x
    x = 9,083,217,753.75/156,918.04
  6. Step 6: Final answer
    x = 57,885.11

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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.