Home / 151,517.35-209,084.10-83,534.89

Finding the Fourth Proportional to 151,517.35, 209,084.10 and 83,534.89

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Solution

The fourth proportional to 151,517.35, 209,084.10 and 83,534.89 is: 115,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,517.35 : 209,084.10 = 83,534.89 : x
  2. Step 2: Convert to fraction form
    151,517.35/209,084.10 = 83,534.89/x
  3. Step 3: Cross multiply
    151,517.35x = 209,084.10 × 83,534.89
  4. Step 4: Simplify right side
    151,517.35x = 17,465,817,294.25
  5. Step 5: Solve for x
    x = 17,465,817,294.25/151,517.35
  6. Step 6: Final answer
    x = 115,272.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.