Home / 133,549.54-200,344.15-38,780.55

Finding the Fourth Proportional to 133,549.54, 200,344.15 and 38,780.55

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Solution

The fourth proportional to 133,549.54, 200,344.15 and 38,780.55 is: 58,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,549.54 : 200,344.15 = 38,780.55 : x
  2. Step 2: Convert to fraction form
    133,549.54/200,344.15 = 38,780.55/x
  3. Step 3: Cross multiply
    133,549.54x = 200,344.15 × 38,780.55
  4. Step 4: Simplify right side
    133,549.54x = 7,769,456,326.28
  5. Step 5: Solve for x
    x = 7,769,456,326.28/133,549.54
  6. Step 6: Final answer
    x = 58,176.59

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1.5x scale

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.