Home / 113,278.20-169,920.18-63,330.36

Finding the Fourth Proportional to 113,278.20, 169,920.18 and 63,330.36

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Solution

The fourth proportional to 113,278.20, 169,920.18 and 63,330.36 is: 94,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,278.20 : 169,920.18 = 63,330.36 : x
  2. Step 2: Convert to fraction form
    113,278.20/169,920.18 = 63,330.36/x
  3. Step 3: Cross multiply
    113,278.20x = 169,920.18 × 63,330.36
  4. Step 4: Simplify right side
    113,278.20x = 10,761,106,170.66
  5. Step 5: Solve for x
    x = 10,761,106,170.66/113,278.20
  6. Step 6: Final answer
    x = 94,997.15

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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.