Home / 121,684.07-182,620.27-79,552.73

Finding the Fourth Proportional to 121,684.07, 182,620.27 and 79,552.73

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Solution

The fourth proportional to 121,684.07, 182,620.27 and 79,552.73 is: 119,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,684.07 : 182,620.27 = 79,552.73 : x
  2. Step 2: Convert to fraction form
    121,684.07/182,620.27 = 79,552.73/x
  3. Step 3: Cross multiply
    121,684.07x = 182,620.27 × 79,552.73
  4. Step 4: Simplify right side
    121,684.07x = 14,527,941,587.83
  5. Step 5: Solve for x
    x = 14,527,941,587.83/121,684.07
  6. Step 6: Final answer
    x = 119,390.66

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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.