Home / 121,543.74-182,253.85-70,959.85

Finding the Fourth Proportional to 121,543.74, 182,253.85 and 70,959.85

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Solution

The fourth proportional to 121,543.74, 182,253.85 and 70,959.85 is: 106,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,543.74 : 182,253.85 = 70,959.85 : x
  2. Step 2: Convert to fraction form
    121,543.74/182,253.85 = 70,959.85/x
  3. Step 3: Cross multiply
    121,543.74x = 182,253.85 × 70,959.85
  4. Step 4: Simplify right side
    121,543.74x = 12,932,705,224.89
  5. Step 5: Solve for x
    x = 12,932,705,224.89/121,543.74
  6. Step 6: Final answer
    x = 106,403.71

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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.