Home / 158,167.91-218,273.00-86,548.52

Finding the Fourth Proportional to 158,167.91, 218,273.00 and 86,548.52

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Solution

The fourth proportional to 158,167.91, 218,273.00 and 86,548.52 is: 119,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,167.91 : 218,273.00 = 86,548.52 : x
  2. Step 2: Convert to fraction form
    158,167.91/218,273.00 = 86,548.52/x
  3. Step 3: Cross multiply
    158,167.91x = 218,273.00 × 86,548.52
  4. Step 4: Simplify right side
    158,167.91x = 18,891,205,218.90
  5. Step 5: Solve for x
    x = 18,891,205,218.90/158,167.91
  6. Step 6: Final answer
    x = 119,437.66

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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.