Home / 127,853.15-191,799.43-43,593.60

Finding the Fourth Proportional to 127,853.15, 191,799.43 and 43,593.60

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Solution

The fourth proportional to 127,853.15, 191,799.43 and 43,593.60 is: 65,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853.15 : 191,799.43 = 43,593.60 : x
  2. Step 2: Convert to fraction form
    127,853.15/191,799.43 = 43,593.60/x
  3. Step 3: Cross multiply
    127,853.15x = 191,799.43 × 43,593.60
  4. Step 4: Simplify right side
    127,853.15x = 8,361,228,002.16
  5. Step 5: Solve for x
    x = 8,361,228,002.16/127,853.15
  6. Step 6: Final answer
    x = 65,397.12

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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.