Home / 179,964.72-248,353.29-103,521.78

Finding the Fourth Proportional to 179,964.72, 248,353.29 and 103,521.78

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Solution

The fourth proportional to 179,964.72, 248,353.29 and 103,521.78 is: 142,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,964.72 : 248,353.29 = 103,521.78 : x
  2. Step 2: Convert to fraction form
    179,964.72/248,353.29 = 103,521.78/x
  3. Step 3: Cross multiply
    179,964.72x = 248,353.29 × 103,521.78
  4. Step 4: Simplify right side
    179,964.72x = 25,709,974,649.66
  5. Step 5: Solve for x
    x = 25,709,974,649.66/179,964.72
  6. Step 6: Final answer
    x = 142,861.19

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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.