Home / 154,386.46-231,385.90-83,306.22

Finding the Fourth Proportional to 154,386.46, 231,385.90 and 83,306.22

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Solution

The fourth proportional to 154,386.46, 231,385.90 and 83,306.22 is: 124,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,386.46 : 231,385.90 = 83,306.22 : x
  2. Step 2: Convert to fraction form
    154,386.46/231,385.90 = 83,306.22/x
  3. Step 3: Cross multiply
    154,386.46x = 231,385.90 × 83,306.22
  4. Step 4: Simplify right side
    154,386.46x = 19,275,884,690.30
  5. Step 5: Solve for x
    x = 19,275,884,690.30/154,386.46
  6. Step 6: Final answer
    x = 124,854.76

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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.