Home / 268,899.59-371,074.23-148,041.78

Finding the Fourth Proportional to 268,899.59, 371,074.23 and 148,041.78

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Solution

The fourth proportional to 268,899.59, 371,074.23 and 148,041.78 is: 204,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,899.59 : 371,074.23 = 148,041.78 : x
  2. Step 2: Convert to fraction form
    268,899.59/371,074.23 = 148,041.78/x
  3. Step 3: Cross multiply
    268,899.59x = 371,074.23 × 148,041.78
  4. Step 4: Simplify right side
    268,899.59x = 54,934,487,505.25
  5. Step 5: Solve for x
    x = 54,934,487,505.25/268,899.59
  6. Step 6: Final answer
    x = 204,293.69

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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.