Home / 265,972.60-398,614.19-108,017.56

Finding the Fourth Proportional to 265,972.60, 398,614.19 and 108,017.56

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Solution

The fourth proportional to 265,972.60, 398,614.19 and 108,017.56 is: 161,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,972.60 : 398,614.19 = 108,017.56 : x
  2. Step 2: Convert to fraction form
    265,972.60/398,614.19 = 108,017.56/x
  3. Step 3: Cross multiply
    265,972.60x = 398,614.19 × 108,017.56
  4. Step 4: Simplify right side
    265,972.60x = 43,057,330,462.15
  5. Step 5: Solve for x
    x = 43,057,330,462.15/265,972.60
  6. Step 6: Final answer
    x = 161,886.34

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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.