Home / 432,991.04-649,320.41-148,628.57

Finding the Fourth Proportional to 432,991.04, 649,320.41 and 148,628.57

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Solution

The fourth proportional to 432,991.04, 649,320.41 and 148,628.57 is: 222,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,991.04 : 649,320.41 = 148,628.57 : x
  2. Step 2: Convert to fraction form
    432,991.04/649,320.41 = 148,628.57/x
  3. Step 3: Cross multiply
    432,991.04x = 649,320.41 × 148,628.57
  4. Step 4: Simplify right side
    432,991.04x = 96,507,561,135.08
  5. Step 5: Solve for x
    x = 96,507,561,135.08/432,991.04
  6. Step 6: Final answer
    x = 222,885.82

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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.