Home / 147,706.74-221,757.03-125,661.78

Finding the Fourth Proportional to 147,706.74, 221,757.03 and 125,661.78

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Solution

The fourth proportional to 147,706.74, 221,757.03 and 125,661.78 is: 188,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,706.74 : 221,757.03 = 125,661.78 : x
  2. Step 2: Convert to fraction form
    147,706.74/221,757.03 = 125,661.78/x
  3. Step 3: Cross multiply
    147,706.74x = 221,757.03 × 125,661.78
  4. Step 4: Simplify right side
    147,706.74x = 27,866,383,117.31
  5. Step 5: Solve for x
    x = 27,866,383,117.31/147,706.74
  6. Step 6: Final answer
    x = 188,660.20

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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.