Home / 107,184.57-147,577.24-91,019.90

Finding the Fourth Proportional to 107,184.57, 147,577.24 and 91,019.90

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Solution

The fourth proportional to 107,184.57, 147,577.24 and 91,019.90 is: 125,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,184.57 : 147,577.24 = 91,019.90 : x
  2. Step 2: Convert to fraction form
    107,184.57/147,577.24 = 91,019.90/x
  3. Step 3: Cross multiply
    107,184.57x = 147,577.24 × 91,019.90
  4. Step 4: Simplify right side
    107,184.57x = 13,432,466,109.79
  5. Step 5: Solve for x
    x = 13,432,466,109.79/107,184.57
  6. Step 6: Final answer
    x = 125,320.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.