Home / 199,814.15-275,740.29-109,168.16

Finding the Fourth Proportional to 199,814.15, 275,740.29 and 109,168.16

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Solution

The fourth proportional to 199,814.15, 275,740.29 and 109,168.16 is: 150,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,814.15 : 275,740.29 = 109,168.16 : x
  2. Step 2: Convert to fraction form
    199,814.15/275,740.29 = 109,168.16/x
  3. Step 3: Cross multiply
    199,814.15x = 275,740.29 × 109,168.16
  4. Step 4: Simplify right side
    199,814.15x = 30,102,059,680.74
  5. Step 5: Solve for x
    x = 30,102,059,680.74/199,814.15
  6. Step 6: Final answer
    x = 150,650.29

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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.