Home / 252,449.10-378,752.22-74,957.04

Finding the Fourth Proportional to 252,449.10, 378,752.22 and 74,957.04

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Solution

The fourth proportional to 252,449.10, 378,752.22 and 74,957.04 is: 112,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,449.10 : 378,752.22 = 74,957.04 : x
  2. Step 2: Convert to fraction form
    252,449.10/378,752.22 = 74,957.04/x
  3. Step 3: Cross multiply
    252,449.10x = 378,752.22 × 74,957.04
  4. Step 4: Simplify right side
    252,449.10x = 28,390,145,304.63
  5. Step 5: Solve for x
    x = 28,390,145,304.63/252,449.10
  6. Step 6: Final answer
    x = 112,458.89

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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.