Home / 205,397.19-307,841.45-116,380.82

Finding the Fourth Proportional to 205,397.19, 307,841.45 and 116,380.82

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Solution

The fourth proportional to 205,397.19, 307,841.45 and 116,380.82 is: 174,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,397.19 : 307,841.45 = 116,380.82 : x
  2. Step 2: Convert to fraction form
    205,397.19/307,841.45 = 116,380.82/x
  3. Step 3: Cross multiply
    205,397.19x = 307,841.45 × 116,380.82
  4. Step 4: Simplify right side
    205,397.19x = 35,826,840,568.69
  5. Step 5: Solve for x
    x = 35,826,840,568.69/205,397.19
  6. Step 6: Final answer
    x = 174,427.12

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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.