Home / 133,731.52-200,616.60-71,368

Finding the Fourth Proportional to 133,731.52, 200,616.60 and 71,368

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Solution

The fourth proportional to 133,731.52, 200,616.60 and 71,368 is: 107,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,731.52 : 200,616.60 = 71,368 : x
  2. Step 2: Convert to fraction form
    133,731.52/200,616.60 = 71,368/x
  3. Step 3: Cross multiply
    133,731.52x = 200,616.60 × 71,368
  4. Step 4: Simplify right side
    133,731.52x = 14,317,605,508.80
  5. Step 5: Solve for x
    x = 14,317,605,508.80/133,731.52
  6. Step 6: Final answer
    x = 107,062.31

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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.