Home / 113,322.20-169,983.30-75,997.40

Finding the Fourth Proportional to 113,322.20, 169,983.30 and 75,997.40

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Solution

The fourth proportional to 113,322.20, 169,983.30 and 75,997.40 is: 113,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,322.20 : 169,983.30 = 75,997.40 : x
  2. Step 2: Convert to fraction form
    113,322.20/169,983.30 = 75,997.40/x
  3. Step 3: Cross multiply
    113,322.20x = 169,983.30 × 75,997.40
  4. Step 4: Simplify right side
    113,322.20x = 12,918,288,843.42
  5. Step 5: Solve for x
    x = 12,918,288,843.42/113,322.20
  6. Step 6: Final answer
    x = 113,996.10

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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.