Home / 107,189.80-147,922.32-59,447.56

Finding the Fourth Proportional to 107,189.80, 147,922.32 and 59,447.56

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Solution

The fourth proportional to 107,189.80, 147,922.32 and 59,447.56 is: 82,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,189.80 : 147,922.32 = 59,447.56 : x
  2. Step 2: Convert to fraction form
    107,189.80/147,922.32 = 59,447.56/x
  3. Step 3: Cross multiply
    107,189.80x = 147,922.32 × 59,447.56
  4. Step 4: Simplify right side
    107,189.80x = 8,793,620,993.54
  5. Step 5: Solve for x
    x = 8,793,620,993.54/107,189.80
  6. Step 6: Final answer
    x = 82,037.85

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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.