Home / 107,445.65-148,229.07-67,131.95

Finding the Fourth Proportional to 107,445.65, 148,229.07 and 67,131.95

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Solution

The fourth proportional to 107,445.65, 148,229.07 and 67,131.95 is: 92,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.65 : 148,229.07 = 67,131.95 : x
  2. Step 2: Convert to fraction form
    107,445.65/148,229.07 = 67,131.95/x
  3. Step 3: Cross multiply
    107,445.65x = 148,229.07 × 67,131.95
  4. Step 4: Simplify right side
    107,445.65x = 9,950,906,515.79
  5. Step 5: Solve for x
    x = 9,950,906,515.79/107,445.65
  6. Step 6: Final answer
    x = 92,613.40

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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.