Home / 136,333.13-204,532.90-42,838.88

Finding the Fourth Proportional to 136,333.13, 204,532.90 and 42,838.88

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Solution

The fourth proportional to 136,333.13, 204,532.90 and 42,838.88 is: 64,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,333.13 : 204,532.90 = 42,838.88 : x
  2. Step 2: Convert to fraction form
    136,333.13/204,532.90 = 42,838.88/x
  3. Step 3: Cross multiply
    136,333.13x = 204,532.90 × 42,838.88
  4. Step 4: Simplify right side
    136,333.13x = 8,761,959,229.39
  5. Step 5: Solve for x
    x = 8,761,959,229.39/136,333.13
  6. Step 6: Final answer
    x = 64,268.75

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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.