Home / 107,373.27-148,216.44-71,550.21

Finding the Fourth Proportional to 107,373.27, 148,216.44 and 71,550.21

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Solution

The fourth proportional to 107,373.27, 148,216.44 and 71,550.21 is: 98,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,373.27 : 148,216.44 = 71,550.21 : x
  2. Step 2: Convert to fraction form
    107,373.27/148,216.44 = 71,550.21/x
  3. Step 3: Cross multiply
    107,373.27x = 148,216.44 × 71,550.21
  4. Step 4: Simplify right side
    107,373.27x = 10,604,917,407.45
  5. Step 5: Solve for x
    x = 10,604,917,407.45/107,373.27
  6. Step 6: Final answer
    x = 98,766.83

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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.