Home / 137,169.04-205,540.80-95,131.12

Finding the Fourth Proportional to 137,169.04, 205,540.80 and 95,131.12

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Solution

The fourth proportional to 137,169.04, 205,540.80 and 95,131.12 is: 142,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,169.04 : 205,540.80 = 95,131.12 : x
  2. Step 2: Convert to fraction form
    137,169.04/205,540.80 = 95,131.12/x
  3. Step 3: Cross multiply
    137,169.04x = 205,540.80 × 95,131.12
  4. Step 4: Simplify right side
    137,169.04x = 19,553,326,509.70
  5. Step 5: Solve for x
    x = 19,553,326,509.70/137,169.04
  6. Step 6: Final answer
    x = 142,549.12

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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.