Home / 193,480.59-266,988.57-108,581.25

Finding the Fourth Proportional to 193,480.59, 266,988.57 and 108,581.25

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Solution

The fourth proportional to 193,480.59, 266,988.57 and 108,581.25 is: 149,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,480.59 : 266,988.57 = 108,581.25 : x
  2. Step 2: Convert to fraction form
    193,480.59/266,988.57 = 108,581.25/x
  3. Step 3: Cross multiply
    193,480.59x = 266,988.57 × 108,581.25
  4. Step 4: Simplify right side
    193,480.59x = 28,989,952,666.31
  5. Step 5: Solve for x
    x = 28,989,952,666.31/193,480.59
  6. Step 6: Final answer
    x = 149,833.91

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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.