Home / 136,524.80-204,787.68-52,265.36

Finding the Fourth Proportional to 136,524.80, 204,787.68 and 52,265.36

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Solution

The fourth proportional to 136,524.80, 204,787.68 and 52,265.36 is: 78,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,524.80 : 204,787.68 = 52,265.36 : x
  2. Step 2: Convert to fraction form
    136,524.80/204,787.68 = 52,265.36/x
  3. Step 3: Cross multiply
    136,524.80x = 204,787.68 × 52,265.36
  4. Step 4: Simplify right side
    136,524.80x = 10,703,301,818.76
  5. Step 5: Solve for x
    x = 10,703,301,818.76/136,524.80
  6. Step 6: Final answer
    x = 78,398.22

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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.