Home / 149,557.14-206,391.33-81,574.13

Finding the Fourth Proportional to 149,557.14, 206,391.33 and 81,574.13

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Solution

The fourth proportional to 149,557.14, 206,391.33 and 81,574.13 is: 112,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,557.14 : 206,391.33 = 81,574.13 : x
  2. Step 2: Convert to fraction form
    149,557.14/206,391.33 = 81,574.13/x
  3. Step 3: Cross multiply
    149,557.14x = 206,391.33 × 81,574.13
  4. Step 4: Simplify right side
    149,557.14x = 16,836,193,700.27
  5. Step 5: Solve for x
    x = 16,836,193,700.27/149,557.14
  6. Step 6: Final answer
    x = 112,573.65

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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.