Home / 107,023.30-147,791.43-80,119.10

Finding the Fourth Proportional to 107,023.30, 147,791.43 and 80,119.10

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Solution

The fourth proportional to 107,023.30, 147,791.43 and 80,119.10 is: 110,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,023.30 : 147,791.43 = 80,119.10 : x
  2. Step 2: Convert to fraction form
    107,023.30/147,791.43 = 80,119.10/x
  3. Step 3: Cross multiply
    107,023.30x = 147,791.43 × 80,119.10
  4. Step 4: Simplify right side
    107,023.30x = 11,840,916,359.31
  5. Step 5: Solve for x
    x = 11,840,916,359.31/107,023.30
  6. Step 6: Final answer
    x = 110,638.68

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1.5x scale

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.