Home / 122,948.10-184,422.15-75,708.90

Finding the Fourth Proportional to 122,948.10, 184,422.15 and 75,708.90

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Solution

The fourth proportional to 122,948.10, 184,422.15 and 75,708.90 is: 113,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,948.10 : 184,422.15 = 75,708.90 : x
  2. Step 2: Convert to fraction form
    122,948.10/184,422.15 = 75,708.90/x
  3. Step 3: Cross multiply
    122,948.10x = 184,422.15 × 75,708.90
  4. Step 4: Simplify right side
    122,948.10x = 13,962,398,112.14
  5. Step 5: Solve for x
    x = 13,962,398,112.14/122,948.10
  6. Step 6: Final answer
    x = 113,563.35

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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.