Home / 345,189.18-476,359.86-192,229.32

Finding the Fourth Proportional to 345,189.18, 476,359.86 and 192,229.32

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Solution

The fourth proportional to 345,189.18, 476,359.86 and 192,229.32 is: 265,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,189.18 : 476,359.86 = 192,229.32 : x
  2. Step 2: Convert to fraction form
    345,189.18/476,359.86 = 192,229.32/x
  3. Step 3: Cross multiply
    345,189.18x = 476,359.86 × 192,229.32
  4. Step 4: Simplify right side
    345,189.18x = 91,570,331,963.10
  5. Step 5: Solve for x
    x = 91,570,331,963.10/345,189.18
  6. Step 6: Final answer
    x = 265,275.79

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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.