Home / 265,263.19-397,891.14-115,500.31

Finding the Fourth Proportional to 265,263.19, 397,891.14 and 115,500.31

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Solution

The fourth proportional to 265,263.19, 397,891.14 and 115,500.31 is: 173,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,263.19 : 397,891.14 = 115,500.31 : x
  2. Step 2: Convert to fraction form
    265,263.19/397,891.14 = 115,500.31/x
  3. Step 3: Cross multiply
    265,263.19x = 397,891.14 × 115,500.31
  4. Step 4: Simplify right side
    265,263.19x = 45,956,550,016.25
  5. Step 5: Solve for x
    x = 45,956,550,016.25/265,263.19
  6. Step 6: Final answer
    x = 173,248.88

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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.