Home / 178,254.49-245,899.18-120,874.41

Finding the Fourth Proportional to 178,254.49, 245,899.18 and 120,874.41

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Solution

The fourth proportional to 178,254.49, 245,899.18 and 120,874.41 is: 166,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,254.49 : 245,899.18 = 120,874.41 : x
  2. Step 2: Convert to fraction form
    178,254.49/245,899.18 = 120,874.41/x
  3. Step 3: Cross multiply
    178,254.49x = 245,899.18 × 120,874.41
  4. Step 4: Simplify right side
    178,254.49x = 29,722,918,301.98
  5. Step 5: Solve for x
    x = 29,722,918,301.98/178,254.49
  6. Step 6: Final answer
    x = 166,744.29

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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.