Home / 113,938.10-170,758.44-82,454.18

Finding the Fourth Proportional to 113,938.10, 170,758.44 and 82,454.18

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Solution

The fourth proportional to 113,938.10, 170,758.44 and 82,454.18 is: 123,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,938.10 : 170,758.44 = 82,454.18 : x
  2. Step 2: Convert to fraction form
    113,938.10/170,758.44 = 82,454.18/x
  3. Step 3: Cross multiply
    113,938.10x = 170,758.44 × 82,454.18
  4. Step 4: Simplify right side
    113,938.10x = 14,079,747,148.28
  5. Step 5: Solve for x
    x = 14,079,747,148.28/113,938.10
  6. Step 6: Final answer
    x = 123,573.65

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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.