Home / 158,190.13-218,268.57-93,679.64

Finding the Fourth Proportional to 158,190.13, 218,268.57 and 93,679.64

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Solution

The fourth proportional to 158,190.13, 218,268.57 and 93,679.64 is: 129,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,190.13 : 218,268.57 = 93,679.64 : x
  2. Step 2: Convert to fraction form
    158,190.13/218,268.57 = 93,679.64/x
  3. Step 3: Cross multiply
    158,190.13x = 218,268.57 × 93,679.64
  4. Step 4: Simplify right side
    158,190.13x = 20,447,321,139.38
  5. Step 5: Solve for x
    x = 20,447,321,139.38/158,190.13
  6. Step 6: Final answer
    x = 129,257.88

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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.