Home / 133,034.19-199,585.86-66,471.63

Finding the Fourth Proportional to 133,034.19, 199,585.86 and 66,471.63

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Solution

The fourth proportional to 133,034.19, 199,585.86 and 66,471.63 is: 99,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,034.19 : 199,585.86 = 66,471.63 : x
  2. Step 2: Convert to fraction form
    133,034.19/199,585.86 = 66,471.63/x
  3. Step 3: Cross multiply
    133,034.19x = 199,585.86 × 66,471.63
  4. Step 4: Simplify right side
    133,034.19x = 13,266,797,439.15
  5. Step 5: Solve for x
    x = 13,266,797,439.15/133,034.19
  6. Step 6: Final answer
    x = 99,724.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.