Home / 113,191.60-169,744.20-34,279.60

Finding the Fourth Proportional to 113,191.60, 169,744.20 and 34,279.60

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Solution

The fourth proportional to 113,191.60, 169,744.20 and 34,279.60 is: 51,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,191.60 : 169,744.20 = 34,279.60 : x
  2. Step 2: Convert to fraction form
    113,191.60/169,744.20 = 34,279.60/x
  3. Step 3: Cross multiply
    113,191.60x = 169,744.20 × 34,279.60
  4. Step 4: Simplify right side
    113,191.60x = 5,818,763,278.32
  5. Step 5: Solve for x
    x = 5,818,763,278.32/113,191.60
  6. Step 6: Final answer
    x = 51,406.32

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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.