Home / 410,248.12-615,367.23-106,615.38

Finding the Fourth Proportional to 410,248.12, 615,367.23 and 106,615.38

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Solution

The fourth proportional to 410,248.12, 615,367.23 and 106,615.38 is: 159,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,248.12 : 615,367.23 = 106,615.38 : x
  2. Step 2: Convert to fraction form
    410,248.12/615,367.23 = 106,615.38/x
  3. Step 3: Cross multiply
    410,248.12x = 615,367.23 × 106,615.38
  4. Step 4: Simplify right side
    410,248.12x = 65,607,611,066.00
  5. Step 5: Solve for x
    x = 65,607,611,066.00/410,248.12
  6. Step 6: Final answer
    x = 159,921.78

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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.