Home / 151,129.80-226,707.39-45,949.68

Finding the Fourth Proportional to 151,129.80, 226,707.39 and 45,949.68

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Solution

The fourth proportional to 151,129.80, 226,707.39 and 45,949.68 is: 68,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,129.80 : 226,707.39 = 45,949.68 : x
  2. Step 2: Convert to fraction form
    151,129.80/226,707.39 = 45,949.68/x
  3. Step 3: Cross multiply
    151,129.80x = 226,707.39 × 45,949.68
  4. Step 4: Simplify right side
    151,129.80x = 10,417,132,024.14
  5. Step 5: Solve for x
    x = 10,417,132,024.14/151,129.80
  6. Step 6: Final answer
    x = 68,928.38

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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.