Home / 149,689.62-224,648.64-55,009.53

Finding the Fourth Proportional to 149,689.62, 224,648.64 and 55,009.53

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Solution

The fourth proportional to 149,689.62, 224,648.64 and 55,009.53 is: 82,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,689.62 : 224,648.64 = 55,009.53 : x
  2. Step 2: Convert to fraction form
    149,689.62/224,648.64 = 55,009.53/x
  3. Step 3: Cross multiply
    149,689.62x = 224,648.64 × 55,009.53
  4. Step 4: Simplify right side
    149,689.62x = 12,357,816,101.54
  5. Step 5: Solve for x
    x = 12,357,816,101.54/149,689.62
  6. Step 6: Final answer
    x = 82,556.27

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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.