Home / 345,883.06-518,982.23-177,521.61

Finding the Fourth Proportional to 345,883.06, 518,982.23 and 177,521.61

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Solution

The fourth proportional to 345,883.06, 518,982.23 and 177,521.61 is: 266,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,883.06 : 518,982.23 = 177,521.61 : x
  2. Step 2: Convert to fraction form
    345,883.06/518,982.23 = 177,521.61/x
  3. Step 3: Cross multiply
    345,883.06x = 518,982.23 × 177,521.61
  4. Step 4: Simplify right side
    345,883.06x = 92,130,561,442.96
  5. Step 5: Solve for x
    x = 92,130,561,442.96/345,883.06
  6. Step 6: Final answer
    x = 266,363.32

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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.