Home / 199,657.38-275,525.10-109,013.07

Finding the Fourth Proportional to 199,657.38, 275,525.10 and 109,013.07

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Solution

The fourth proportional to 199,657.38, 275,525.10 and 109,013.07 is: 150,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,657.38 : 275,525.10 = 109,013.07 : x
  2. Step 2: Convert to fraction form
    199,657.38/275,525.10 = 109,013.07/x
  3. Step 3: Cross multiply
    199,657.38x = 275,525.10 × 109,013.07
  4. Step 4: Simplify right side
    199,657.38x = 30,035,836,803.05
  5. Step 5: Solve for x
    x = 30,035,836,803.05/199,657.38
  6. Step 6: Final answer
    x = 150,436.89

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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.