Home / 199,854.32-275,799.68-109,210.29

Finding the Fourth Proportional to 199,854.32, 275,799.68 and 109,210.29

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Solution

The fourth proportional to 199,854.32, 275,799.68 and 109,210.29 is: 150,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,854.32 : 275,799.68 = 109,210.29 : x
  2. Step 2: Convert to fraction form
    199,854.32/275,799.68 = 109,210.29/x
  3. Step 3: Cross multiply
    199,854.32x = 275,799.68 × 109,210.29
  4. Step 4: Simplify right side
    199,854.32x = 30,120,163,034.71
  5. Step 5: Solve for x
    x = 30,120,163,034.71/199,854.32
  6. Step 6: Final answer
    x = 150,710.59

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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.