Home / 154,434.28-231,801.22-74,528.48

Finding the Fourth Proportional to 154,434.28, 231,801.22 and 74,528.48

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Solution

The fourth proportional to 154,434.28, 231,801.22 and 74,528.48 is: 111,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,434.28 : 231,801.22 = 74,528.48 : x
  2. Step 2: Convert to fraction form
    154,434.28/231,801.22 = 74,528.48/x
  3. Step 3: Cross multiply
    154,434.28x = 231,801.22 × 74,528.48
  4. Step 4: Simplify right side
    154,434.28x = 17,275,793,354.57
  5. Step 5: Solve for x
    x = 17,275,793,354.57/154,434.28
  6. Step 6: Final answer
    x = 111,865.02

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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.