Home / 123,943.40-185,626.75-120,534.11

Finding the Fourth Proportional to 123,943.40, 185,626.75 and 120,534.11

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Solution

The fourth proportional to 123,943.40, 185,626.75 and 120,534.11 is: 180,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,943.40 : 185,626.75 = 120,534.11 : x
  2. Step 2: Convert to fraction form
    123,943.40/185,626.75 = 120,534.11/x
  3. Step 3: Cross multiply
    123,943.40x = 185,626.75 × 120,534.11
  4. Step 4: Simplify right side
    123,943.40x = 22,374,355,103.44
  5. Step 5: Solve for x
    x = 22,374,355,103.44/123,943.40
  6. Step 6: Final answer
    x = 180,520.75

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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.