Home / 74,204.20-111,306.30-65,456.20

Finding the Fourth Proportional to 74,204.20, 111,306.30 and 65,456.20

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Solution

The fourth proportional to 74,204.20, 111,306.30 and 65,456.20 is: 98,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,204.20 : 111,306.30 = 65,456.20 : x
  2. Step 2: Convert to fraction form
    74,204.20/111,306.30 = 65,456.20/x
  3. Step 3: Cross multiply
    74,204.20x = 111,306.30 × 65,456.20
  4. Step 4: Simplify right side
    74,204.20x = 7,285,687,434.06
  5. Step 5: Solve for x
    x = 7,285,687,434.06/74,204.20
  6. Step 6: Final answer
    x = 98,184.30

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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.