Home / 124,576.20-186,864.30-102,706.20

Finding the Fourth Proportional to 124,576.20, 186,864.30 and 102,706.20

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Solution

The fourth proportional to 124,576.20, 186,864.30 and 102,706.20 is: 154,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,576.20 : 186,864.30 = 102,706.20 : x
  2. Step 2: Convert to fraction form
    124,576.20/186,864.30 = 102,706.20/x
  3. Step 3: Cross multiply
    124,576.20x = 186,864.30 × 102,706.20
  4. Step 4: Simplify right side
    124,576.20x = 19,192,122,168.66
  5. Step 5: Solve for x
    x = 19,192,122,168.66/124,576.20
  6. Step 6: Final answer
    x = 154,059.30

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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.