Home / 199,740.12-275,643.45-109,098.69

Finding the Fourth Proportional to 199,740.12, 275,643.45 and 109,098.69

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Solution

The fourth proportional to 199,740.12, 275,643.45 and 109,098.69 is: 150,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,740.12 : 275,643.45 = 109,098.69 : x
  2. Step 2: Convert to fraction form
    199,740.12/275,643.45 = 109,098.69/x
  3. Step 3: Cross multiply
    199,740.12x = 275,643.45 × 109,098.69
  4. Step 4: Simplify right side
    199,740.12x = 30,072,339,302.08
  5. Step 5: Solve for x
    x = 30,072,339,302.08/199,740.12
  6. Step 6: Final answer
    x = 150,557.33

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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.