Home / 316,314.15-474,471.23-129,281.91

Finding the Fourth Proportional to 316,314.15, 474,471.23 and 129,281.91

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Solution

The fourth proportional to 316,314.15, 474,471.23 and 129,281.91 is: 193,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,314.15 : 474,471.23 = 129,281.91 : x
  2. Step 2: Convert to fraction form
    316,314.15/474,471.23 = 129,281.91/x
  3. Step 3: Cross multiply
    316,314.15x = 474,471.23 × 129,281.91
  4. Step 4: Simplify right side
    316,314.15x = 61,340,546,208.04
  5. Step 5: Solve for x
    x = 61,340,546,208.04/316,314.15
  6. Step 6: Final answer
    x = 193,922.87

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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.