Home / 132,145.80-182,370.18-74,785.04

Finding the Fourth Proportional to 132,145.80, 182,370.18 and 74,785.04

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Solution

The fourth proportional to 132,145.80, 182,370.18 and 74,785.04 is: 103,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,145.80 : 182,370.18 = 74,785.04 : x
  2. Step 2: Convert to fraction form
    132,145.80/182,370.18 = 74,785.04/x
  3. Step 3: Cross multiply
    132,145.80x = 182,370.18 × 74,785.04
  4. Step 4: Simplify right side
    132,145.80x = 13,638,561,206.11
  5. Step 5: Solve for x
    x = 13,638,561,206.11/132,145.80
  6. Step 6: Final answer
    x = 103,208.43

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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.