Home / 113,490.28-170,246.94-43,428.52

Finding the Fourth Proportional to 113,490.28, 170,246.94 and 43,428.52

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Solution

The fourth proportional to 113,490.28, 170,246.94 and 43,428.52 is: 65,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,490.28 : 170,246.94 = 43,428.52 : x
  2. Step 2: Convert to fraction form
    113,490.28/170,246.94 = 43,428.52/x
  3. Step 3: Cross multiply
    113,490.28x = 170,246.94 × 43,428.52
  4. Step 4: Simplify right side
    113,490.28x = 7,393,572,638.73
  5. Step 5: Solve for x
    x = 7,393,572,638.73/113,490.28
  6. Step 6: Final answer
    x = 65,147.19

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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.