Home / 158,179.83-218,288.18-86,559.85

Finding the Fourth Proportional to 158,179.83, 218,288.18 and 86,559.85

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Solution

The fourth proportional to 158,179.83, 218,288.18 and 86,559.85 is: 119,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,179.83 : 218,288.18 = 86,559.85 : x
  2. Step 2: Convert to fraction form
    158,179.83/218,288.18 = 86,559.85/x
  3. Step 3: Cross multiply
    158,179.83x = 218,288.18 × 86,559.85
  4. Step 4: Simplify right side
    158,179.83x = 18,894,991,684.77
  5. Step 5: Solve for x
    x = 18,894,991,684.77/158,179.83
  6. Step 6: Final answer
    x = 119,452.60

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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.