Home / 318,460.14-477,716.23-90,773.29

Finding the Fourth Proportional to 318,460.14, 477,716.23 and 90,773.29

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Solution

The fourth proportional to 318,460.14, 477,716.23 and 90,773.29 is: 136,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,460.14 : 477,716.23 = 90,773.29 : x
  2. Step 2: Convert to fraction form
    318,460.14/477,716.23 = 90,773.29/x
  3. Step 3: Cross multiply
    318,460.14x = 477,716.23 × 90,773.29
  4. Step 4: Simplify right side
    318,460.14x = 43,363,874,594.11
  5. Step 5: Solve for x
    x = 43,363,874,594.11/318,460.14
  6. Step 6: Final answer
    x = 136,167.35

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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.