Home / 199,717.29-275,608.46-109,073.28

Finding the Fourth Proportional to 199,717.29, 275,608.46 and 109,073.28

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Solution

The fourth proportional to 199,717.29, 275,608.46 and 109,073.28 is: 150,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,717.29 : 275,608.46 = 109,073.28 : x
  2. Step 2: Convert to fraction form
    199,717.29/275,608.46 = 109,073.28/x
  3. Step 3: Cross multiply
    199,717.29x = 275,608.46 × 109,073.28
  4. Step 4: Simplify right side
    199,717.29x = 30,061,518,591.61
  5. Step 5: Solve for x
    x = 30,061,518,591.61/199,717.29
  6. Step 6: Final answer
    x = 150,520.36

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1.5x scale

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.