Home / 303,569.12-418,923.42-167,611.52

Finding the Fourth Proportional to 303,569.12, 418,923.42 and 167,611.52

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Solution

The fourth proportional to 303,569.12, 418,923.42 and 167,611.52 is: 231,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,569.12 : 418,923.42 = 167,611.52 : x
  2. Step 2: Convert to fraction form
    303,569.12/418,923.42 = 167,611.52/x
  3. Step 3: Cross multiply
    303,569.12x = 418,923.42 × 167,611.52
  4. Step 4: Simplify right side
    303,569.12x = 70,216,391,189.80
  5. Step 5: Solve for x
    x = 70,216,391,189.80/303,569.12
  6. Step 6: Final answer
    x = 231,302.81

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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.