Home / 124,555.40-186,833.10-74,691.80

Finding the Fourth Proportional to 124,555.40, 186,833.10 and 74,691.80

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Solution

The fourth proportional to 124,555.40, 186,833.10 and 74,691.80 is: 112,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,555.40 : 186,833.10 = 74,691.80 : x
  2. Step 2: Convert to fraction form
    124,555.40/186,833.10 = 74,691.80/x
  3. Step 3: Cross multiply
    124,555.40x = 186,833.10 × 74,691.80
  4. Step 4: Simplify right side
    124,555.40x = 13,954,900,538.58
  5. Step 5: Solve for x
    x = 13,954,900,538.58/124,555.40
  6. Step 6: Final answer
    x = 112,037.70

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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.