Home / 173,969.12-261,174-144,744.32

Finding the Fourth Proportional to 173,969.12, 261,174 and 144,744.32

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Solution

The fourth proportional to 173,969.12, 261,174 and 144,744.32 is: 217,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,969.12 : 261,174 = 144,744.32 : x
  2. Step 2: Convert to fraction form
    173,969.12/261,174 = 144,744.32/x
  3. Step 3: Cross multiply
    173,969.12x = 261,174 × 144,744.32
  4. Step 4: Simplify right side
    173,969.12x = 37,803,453,031.68
  5. Step 5: Solve for x
    x = 37,803,453,031.68/173,969.12
  6. Step 6: Final answer
    x = 217,299.79

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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.