Home / 257,022.88-354,718.08-148,131.04

Finding the Fourth Proportional to 257,022.88, 354,718.08 and 148,131.04

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Solution

The fourth proportional to 257,022.88, 354,718.08 and 148,131.04 is: 204,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,022.88 : 354,718.08 = 148,131.04 : x
  2. Step 2: Convert to fraction form
    257,022.88/354,718.08 = 148,131.04/x
  3. Step 3: Cross multiply
    257,022.88x = 354,718.08 × 148,131.04
  4. Step 4: Simplify right side
    257,022.88x = 52,544,758,097.20
  5. Step 5: Solve for x
    x = 52,544,758,097.20/257,022.88
  6. Step 6: Final answer
    x = 204,436.11

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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.