Home / 94,301.70-141,452.55-90,672.90

Finding the Fourth Proportional to 94,301.70, 141,452.55 and 90,672.90

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Solution

The fourth proportional to 94,301.70, 141,452.55 and 90,672.90 is: 136,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,301.70 : 141,452.55 = 90,672.90 : x
  2. Step 2: Convert to fraction form
    94,301.70/141,452.55 = 90,672.90/x
  3. Step 3: Cross multiply
    94,301.70x = 141,452.55 × 90,672.90
  4. Step 4: Simplify right side
    94,301.70x = 12,825,912,920.90
  5. Step 5: Solve for x
    x = 12,825,912,920.90/94,301.70
  6. Step 6: Final answer
    x = 136,009.35

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1.5x scale

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.