Home / 136,475.49-204,776.65-52,207.80

Finding the Fourth Proportional to 136,475.49, 204,776.65 and 52,207.80

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Solution

The fourth proportional to 136,475.49, 204,776.65 and 52,207.80 is: 78,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,475.49 : 204,776.65 = 52,207.80 : x
  2. Step 2: Convert to fraction form
    136,475.49/204,776.65 = 52,207.80/x
  3. Step 3: Cross multiply
    136,475.49x = 204,776.65 × 52,207.80
  4. Step 4: Simplify right side
    136,475.49x = 10,690,938,387.87
  5. Step 5: Solve for x
    x = 10,690,938,387.87/136,475.49
  6. Step 6: Final answer
    x = 78,335.96

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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.