Home / 303,121.16-418,344.91-174,100.04

Finding the Fourth Proportional to 303,121.16, 418,344.91 and 174,100.04

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Solution

The fourth proportional to 303,121.16, 418,344.91 and 174,100.04 is: 240,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,121.16 : 418,344.91 = 174,100.04 : x
  2. Step 2: Convert to fraction form
    303,121.16/418,344.91 = 174,100.04/x
  3. Step 3: Cross multiply
    303,121.16x = 418,344.91 × 174,100.04
  4. Step 4: Simplify right side
    303,121.16x = 72,833,863,037.82
  5. Step 5: Solve for x
    x = 72,833,863,037.82/303,121.16
  6. Step 6: Final answer
    x = 240,279.71

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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.