Home / 149,920.53-206,870.33-96,278.21

Finding the Fourth Proportional to 149,920.53, 206,870.33 and 96,278.21

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Solution

The fourth proportional to 149,920.53, 206,870.33 and 96,278.21 is: 132,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,920.53 : 206,870.33 = 96,278.21 : x
  2. Step 2: Convert to fraction form
    149,920.53/206,870.33 = 96,278.21/x
  3. Step 3: Cross multiply
    149,920.53x = 206,870.33 × 96,278.21
  4. Step 4: Simplify right side
    149,920.53x = 19,917,103,558.77
  5. Step 5: Solve for x
    x = 19,917,103,558.77/149,920.53
  6. Step 6: Final answer
    x = 132,851.07

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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.