Home / 137,223.04-205,805.76-38,704

Finding the Fourth Proportional to 137,223.04, 205,805.76 and 38,704

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Solution

The fourth proportional to 137,223.04, 205,805.76 and 38,704 is: 58,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,223.04 : 205,805.76 = 38,704 : x
  2. Step 2: Convert to fraction form
    137,223.04/205,805.76 = 38,704/x
  3. Step 3: Cross multiply
    137,223.04x = 205,805.76 × 38,704
  4. Step 4: Simplify right side
    137,223.04x = 7,965,506,135.04
  5. Step 5: Solve for x
    x = 7,965,506,135.04/137,223.04
  6. Step 6: Final answer
    x = 58,047.88

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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.