Home / 107,454.28-148,278.21-62,135.20

Finding the Fourth Proportional to 107,454.28, 148,278.21 and 62,135.20

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Solution

The fourth proportional to 107,454.28, 148,278.21 and 62,135.20 is: 85,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,454.28 : 148,278.21 = 62,135.20 : x
  2. Step 2: Convert to fraction form
    107,454.28/148,278.21 = 62,135.20/x
  3. Step 3: Cross multiply
    107,454.28x = 148,278.21 × 62,135.20
  4. Step 4: Simplify right side
    107,454.28x = 9,213,296,233.99
  5. Step 5: Solve for x
    x = 9,213,296,233.99/107,454.28
  6. Step 6: Final answer
    x = 85,741.55

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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.