Home / 158,182.60-218,291.99-86,562.65

Finding the Fourth Proportional to 158,182.60, 218,291.99 and 86,562.65

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Solution

The fourth proportional to 158,182.60, 218,291.99 and 86,562.65 is: 119,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,182.60 : 218,291.99 = 86,562.65 : x
  2. Step 2: Convert to fraction form
    158,182.60/218,291.99 = 86,562.65/x
  3. Step 3: Cross multiply
    158,182.60x = 218,291.99 × 86,562.65
  4. Step 4: Simplify right side
    158,182.60x = 18,895,931,603.90
  5. Step 5: Solve for x
    x = 18,895,931,603.90/158,182.60
  6. Step 6: Final answer
    x = 119,456.45

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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.