Home / 199,708.28-275,599.29-113,663.05

Finding the Fourth Proportional to 199,708.28, 275,599.29 and 113,663.05

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Solution

The fourth proportional to 199,708.28, 275,599.29 and 113,663.05 is: 156,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,708.28 : 275,599.29 = 113,663.05 : x
  2. Step 2: Convert to fraction form
    199,708.28/275,599.29 = 113,663.05/x
  3. Step 3: Cross multiply
    199,708.28x = 275,599.29 × 113,663.05
  4. Step 4: Simplify right side
    199,708.28x = 31,325,455,616.47
  5. Step 5: Solve for x
    x = 31,325,455,616.47/199,708.28
  6. Step 6: Final answer
    x = 156,856.06

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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.