Home / 199,945.35-275,925.13-109,302.39

Finding the Fourth Proportional to 199,945.35, 275,925.13 and 109,302.39

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Solution

The fourth proportional to 199,945.35, 275,925.13 and 109,302.39 is: 150,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,945.35 : 275,925.13 = 109,302.39 : x
  2. Step 2: Convert to fraction form
    199,945.35/275,925.13 = 109,302.39/x
  3. Step 3: Cross multiply
    199,945.35x = 275,925.13 × 109,302.39
  4. Step 4: Simplify right side
    199,945.35x = 30,159,275,896.80
  5. Step 5: Solve for x
    x = 30,159,275,896.80/199,945.35
  6. Step 6: Final answer
    x = 150,837.60

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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.