Home / 410,151.11-615,322.34-140,281.34

Finding the Fourth Proportional to 410,151.11, 615,322.34 and 140,281.34

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Solution

The fourth proportional to 410,151.11, 615,322.34 and 140,281.34 is: 210,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,151.11 : 615,322.34 = 140,281.34 : x
  2. Step 2: Convert to fraction form
    410,151.11/615,322.34 = 140,281.34/x
  3. Step 3: Cross multiply
    410,151.11x = 615,322.34 × 140,281.34
  4. Step 4: Simplify right side
    410,151.11x = 86,318,238,609.12
  5. Step 5: Solve for x
    x = 86,318,238,609.12/410,151.11
  6. Step 6: Final answer
    x = 210,454.73

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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.