Home / 107,724.69-148,677.84-82,182.81

Finding the Fourth Proportional to 107,724.69, 148,677.84 and 82,182.81

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Solution

The fourth proportional to 107,724.69, 148,677.84 and 82,182.81 is: 113,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,724.69 : 148,677.84 = 82,182.81 : x
  2. Step 2: Convert to fraction form
    107,724.69/148,677.84 = 82,182.81/x
  3. Step 3: Cross multiply
    107,724.69x = 148,677.84 × 82,182.81
  4. Step 4: Simplify right side
    107,724.69x = 12,218,762,675.93
  5. Step 5: Solve for x
    x = 12,218,762,675.93/107,724.69
  6. Step 6: Final answer
    x = 113,425.83

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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.