Home / 218,113.32-327,029.04-104,214.36

Finding the Fourth Proportional to 218,113.32, 327,029.04 and 104,214.36

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Solution

The fourth proportional to 218,113.32, 327,029.04 and 104,214.36 is: 156,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,113.32 : 327,029.04 = 104,214.36 : x
  2. Step 2: Convert to fraction form
    218,113.32/327,029.04 = 104,214.36/x
  3. Step 3: Cross multiply
    218,113.32x = 327,029.04 × 104,214.36
  4. Step 4: Simplify right side
    218,113.32x = 34,081,122,105.01
  5. Step 5: Solve for x
    x = 34,081,122,105.01/218,113.32
  6. Step 6: Final answer
    x = 156,254.20

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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.