Home / 147,135.57-220,651.47-47,262.03

Finding the Fourth Proportional to 147,135.57, 220,651.47 and 47,262.03

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Solution

The fourth proportional to 147,135.57, 220,651.47 and 47,262.03 is: 70,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,135.57 : 220,651.47 = 47,262.03 : x
  2. Step 2: Convert to fraction form
    147,135.57/220,651.47 = 47,262.03/x
  3. Step 3: Cross multiply
    147,135.57x = 220,651.47 × 47,262.03
  4. Step 4: Simplify right side
    147,135.57x = 10,428,436,394.68
  5. Step 5: Solve for x
    x = 10,428,436,394.68/147,135.57
  6. Step 6: Final answer
    x = 70,876.38

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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.