Home / 484,949.42-727,424.14-147,991.83

Finding the Fourth Proportional to 484,949.42, 727,424.14 and 147,991.83

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Solution

The fourth proportional to 484,949.42, 727,424.14 and 147,991.83 is: 221,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,949.42 : 727,424.14 = 147,991.83 : x
  2. Step 2: Convert to fraction form
    484,949.42/727,424.14 = 147,991.83/x
  3. Step 3: Cross multiply
    484,949.42x = 727,424.14 × 147,991.83
  4. Step 4: Simplify right side
    484,949.42x = 107,652,829,664.78
  5. Step 5: Solve for x
    x = 107,652,829,664.78/484,949.42
  6. Step 6: Final answer
    x = 221,987.75

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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.