Home / 159,860.40-220,471.92-96,186.32

Finding the Fourth Proportional to 159,860.40, 220,471.92 and 96,186.32

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Solution

The fourth proportional to 159,860.40, 220,471.92 and 96,186.32 is: 132,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860.40 : 220,471.92 = 96,186.32 : x
  2. Step 2: Convert to fraction form
    159,860.40/220,471.92 = 96,186.32/x
  3. Step 3: Cross multiply
    159,860.40x = 220,471.92 × 96,186.32
  4. Step 4: Simplify right side
    159,860.40x = 21,206,382,648.13
  5. Step 5: Solve for x
    x = 21,206,382,648.13/159,860.40
  6. Step 6: Final answer
    x = 132,655.63

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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.