Home / 121,544.74-182,255.35-70,960.85

Finding the Fourth Proportional to 121,544.74, 182,255.35 and 70,960.85

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Solution

The fourth proportional to 121,544.74, 182,255.35 and 70,960.85 is: 106,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,544.74 : 182,255.35 = 70,960.85 : x
  2. Step 2: Convert to fraction form
    121,544.74/182,255.35 = 70,960.85/x
  3. Step 3: Cross multiply
    121,544.74x = 182,255.35 × 70,960.85
  4. Step 4: Simplify right side
    121,544.74x = 12,932,994,553.05
  5. Step 5: Solve for x
    x = 12,932,994,553.05/121,544.74
  6. Step 6: Final answer
    x = 106,405.22

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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.