Home / 149,535.96-206,335.95-89,105.10

Finding the Fourth Proportional to 149,535.96, 206,335.95 and 89,105.10

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Solution

The fourth proportional to 149,535.96, 206,335.95 and 89,105.10 is: 122,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,535.96 : 206,335.95 = 89,105.10 : x
  2. Step 2: Convert to fraction form
    149,535.96/206,335.95 = 89,105.10/x
  3. Step 3: Cross multiply
    149,535.96x = 206,335.95 × 89,105.10
  4. Step 4: Simplify right side
    149,535.96x = 18,385,585,458.35
  5. Step 5: Solve for x
    x = 18,385,585,458.35/149,535.96
  6. Step 6: Final answer
    x = 122,950.93

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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.