Home / 199,955.12-275,926.86-109,293.03

Finding the Fourth Proportional to 199,955.12, 275,926.86 and 109,293.03

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Solution

The fourth proportional to 199,955.12, 275,926.86 and 109,293.03 is: 150,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,955.12 : 275,926.86 = 109,293.03 : x
  2. Step 2: Convert to fraction form
    199,955.12/275,926.86 = 109,293.03/x
  3. Step 3: Cross multiply
    199,955.12x = 275,926.86 × 109,293.03
  4. Step 4: Simplify right side
    199,955.12x = 30,156,882,587.79
  5. Step 5: Solve for x
    x = 30,156,882,587.79/199,955.12
  6. Step 6: Final answer
    x = 150,818.26

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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.