Home / 240,429.31-360,676.77-100,155.13

Finding the Fourth Proportional to 240,429.31, 360,676.77 and 100,155.13

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Solution

The fourth proportional to 240,429.31, 360,676.77 and 100,155.13 is: 150,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,429.31 : 360,676.77 = 100,155.13 : x
  2. Step 2: Convert to fraction form
    240,429.31/360,676.77 = 100,155.13/x
  3. Step 3: Cross multiply
    240,429.31x = 360,676.77 × 100,155.13
  4. Step 4: Simplify right side
    240,429.31x = 36,123,626,733.56
  5. Step 5: Solve for x
    x = 36,123,626,733.56/240,429.31
  6. Step 6: Final answer
    x = 150,246.36

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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.