Home / 132,020.68-182,186.16-74,659.12

Finding the Fourth Proportional to 132,020.68, 182,186.16 and 74,659.12

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Solution

The fourth proportional to 132,020.68, 182,186.16 and 74,659.12 is: 103,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,020.68 : 182,186.16 = 74,659.12 : x
  2. Step 2: Convert to fraction form
    132,020.68/182,186.16 = 74,659.12/x
  3. Step 3: Cross multiply
    132,020.68x = 182,186.16 × 74,659.12
  4. Step 4: Simplify right side
    132,020.68x = 13,601,858,381.78
  5. Step 5: Solve for x
    x = 13,601,858,381.78/132,020.68
  6. Step 6: Final answer
    x = 103,028.24

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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.