Home / 158,179.46-218,287.60-86,559.44

Finding the Fourth Proportional to 158,179.46, 218,287.60 and 86,559.44

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Solution

The fourth proportional to 158,179.46, 218,287.60 and 86,559.44 is: 119,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,179.46 : 218,287.60 = 86,559.44 : x
  2. Step 2: Convert to fraction form
    158,179.46/218,287.60 = 86,559.44/x
  3. Step 3: Cross multiply
    158,179.46x = 218,287.60 × 86,559.44
  4. Step 4: Simplify right side
    158,179.46x = 18,894,852,414.94
  5. Step 5: Solve for x
    x = 18,894,852,414.94/158,179.46
  6. Step 6: Final answer
    x = 119,452.00

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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.