Home / 252,465.26-378,684.92-74,973.74

Finding the Fourth Proportional to 252,465.26, 378,684.92 and 74,973.74

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Solution

The fourth proportional to 252,465.26, 378,684.92 and 74,973.74 is: 112,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,465.26 : 378,684.92 = 74,973.74 : x
  2. Step 2: Convert to fraction form
    252,465.26/378,684.92 = 74,973.74/x
  3. Step 3: Cross multiply
    252,465.26x = 378,684.92 × 74,973.74
  4. Step 4: Simplify right side
    252,465.26x = 28,391,424,734.00
  5. Step 5: Solve for x
    x = 28,391,424,734.00/252,465.26
  6. Step 6: Final answer
    x = 112,456.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.