Home / 199,447.20-275,243.28-114,581.28

Finding the Fourth Proportional to 199,447.20, 275,243.28 and 114,581.28

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Solution

The fourth proportional to 199,447.20, 275,243.28 and 114,581.28 is: 158,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,447.20 : 275,243.28 = 114,581.28 : x
  2. Step 2: Convert to fraction form
    199,447.20/275,243.28 = 114,581.28/x
  3. Step 3: Cross multiply
    199,447.20x = 275,243.28 × 114,581.28
  4. Step 4: Simplify right side
    199,447.20x = 31,537,727,333.80
  5. Step 5: Solve for x
    x = 31,537,727,333.80/199,447.20
  6. Step 6: Final answer
    x = 158,125.70

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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.