Home / 158,082.93-218,162.43-93,589.18

Finding the Fourth Proportional to 158,082.93, 218,162.43 and 93,589.18

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Solution

The fourth proportional to 158,082.93, 218,162.43 and 93,589.18 is: 129,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,082.93 : 218,162.43 = 93,589.18 : x
  2. Step 2: Convert to fraction form
    158,082.93/218,162.43 = 93,589.18/x
  3. Step 3: Cross multiply
    158,082.93x = 218,162.43 × 93,589.18
  4. Step 4: Simplify right side
    158,082.93x = 20,417,642,385.10
  5. Step 5: Solve for x
    x = 20,417,642,385.10/158,082.93
  6. Step 6: Final answer
    x = 129,157.79

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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.