Home / 228,081.20-314,744.11-124,717.80

Finding the Fourth Proportional to 228,081.20, 314,744.11 and 124,717.80

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Solution

The fourth proportional to 228,081.20, 314,744.11 and 124,717.80 is: 172,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,081.20 : 314,744.11 = 124,717.80 : x
  2. Step 2: Convert to fraction form
    228,081.20/314,744.11 = 124,717.80/x
  3. Step 3: Cross multiply
    228,081.20x = 314,744.11 × 124,717.80
  4. Step 4: Simplify right side
    228,081.20x = 39,254,192,338.57
  5. Step 5: Solve for x
    x = 39,254,192,338.57/228,081.20
  6. Step 6: Final answer
    x = 172,106.22

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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.