Home / 275,246.40-412,870.22-75,569.52

Finding the Fourth Proportional to 275,246.40, 412,870.22 and 75,569.52

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Solution

The fourth proportional to 275,246.40, 412,870.22 and 75,569.52 is: 113,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,246.40 : 412,870.22 = 75,569.52 : x
  2. Step 2: Convert to fraction form
    275,246.40/412,870.22 = 75,569.52/x
  3. Step 3: Cross multiply
    275,246.40x = 412,870.22 × 75,569.52
  4. Step 4: Simplify right side
    275,246.40x = 31,200,404,347.69
  5. Step 5: Solve for x
    x = 31,200,404,347.69/275,246.40
  6. Step 6: Final answer
    x = 113,354.45

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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.