Home / 515,826.14-773,702.05-136,738.24

Finding the Fourth Proportional to 515,826.14, 773,702.05 and 136,738.24

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Solution

The fourth proportional to 515,826.14, 773,702.05 and 136,738.24 is: 205,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,826.14 : 773,702.05 = 136,738.24 : x
  2. Step 2: Convert to fraction form
    515,826.14/773,702.05 = 136,738.24/x
  3. Step 3: Cross multiply
    515,826.14x = 773,702.05 × 136,738.24
  4. Step 4: Simplify right side
    515,826.14x = 105,794,656,601.39
  5. Step 5: Solve for x
    x = 105,794,656,601.39/515,826.14
  6. Step 6: Final answer
    x = 205,097.51

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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.