Home / 113,200.80-169,779.24-107,581.20

Finding the Fourth Proportional to 113,200.80, 169,779.24 and 107,581.20

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Solution

The fourth proportional to 113,200.80, 169,779.24 and 107,581.20 is: 161,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,200.80 : 169,779.24 = 107,581.20 : x
  2. Step 2: Convert to fraction form
    113,200.80/169,779.24 = 107,581.20/x
  3. Step 3: Cross multiply
    113,200.80x = 169,779.24 × 107,581.20
  4. Step 4: Simplify right side
    113,200.80x = 18,265,054,374.29
  5. Step 5: Solve for x
    x = 18,265,054,374.29/113,200.80
  6. Step 6: Final answer
    x = 161,350.93

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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.