Home / 410,215.28-615,293.75-110,712.92

Finding the Fourth Proportional to 410,215.28, 615,293.75 and 110,712.92

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Solution

The fourth proportional to 410,215.28, 615,293.75 and 110,712.92 is: 166,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,215.28 : 615,293.75 = 110,712.92 : x
  2. Step 2: Convert to fraction form
    410,215.28/615,293.75 = 110,712.92/x
  3. Step 3: Cross multiply
    410,215.28x = 615,293.75 × 110,712.92
  4. Step 4: Simplify right side
    410,215.28x = 68,120,964,920.56
  5. Step 5: Solve for x
    x = 68,120,964,920.56/410,215.28
  6. Step 6: Final answer
    x = 166,061.50

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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.