Home / 148,891.24-205,474.50-85,249.48

Finding the Fourth Proportional to 148,891.24, 205,474.50 and 85,249.48

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Solution

The fourth proportional to 148,891.24, 205,474.50 and 85,249.48 is: 117,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,891.24 : 205,474.50 = 85,249.48 : x
  2. Step 2: Convert to fraction form
    148,891.24/205,474.50 = 85,249.48/x
  3. Step 3: Cross multiply
    148,891.24x = 205,474.50 × 85,249.48
  4. Step 4: Simplify right side
    148,891.24x = 17,516,594,278.26
  5. Step 5: Solve for x
    x = 17,516,594,278.26/148,891.24
  6. Step 6: Final answer
    x = 117,646.91

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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.