Home / 121,805.11-182,722.52-51,660.73

Finding the Fourth Proportional to 121,805.11, 182,722.52 and 51,660.73

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Solution

The fourth proportional to 121,805.11, 182,722.52 and 51,660.73 is: 77,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,805.11 : 182,722.52 = 51,660.73 : x
  2. Step 2: Convert to fraction form
    121,805.11/182,722.52 = 51,660.73/x
  3. Step 3: Cross multiply
    121,805.11x = 182,722.52 × 51,660.73
  4. Step 4: Simplify right side
    121,805.11x = 9,439,578,512.34
  5. Step 5: Solve for x
    x = 9,439,578,512.34/121,805.11
  6. Step 6: Final answer
    x = 77,497.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.