Home / 148,207.47-204,644.21-136,872.81

Finding the Fourth Proportional to 148,207.47, 204,644.21 and 136,872.81

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Solution

The fourth proportional to 148,207.47, 204,644.21 and 136,872.81 is: 188,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,207.47 : 204,644.21 = 136,872.81 : x
  2. Step 2: Convert to fraction form
    148,207.47/204,644.21 = 136,872.81/x
  3. Step 3: Cross multiply
    148,207.47x = 204,644.21 × 136,872.81
  4. Step 4: Simplify right side
    148,207.47x = 28,010,227,388.57
  5. Step 5: Solve for x
    x = 28,010,227,388.57/148,207.47
  6. Step 6: Final answer
    x = 188,993.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.