Home / 216,120.06-324,154.56-58,360.80

Finding the Fourth Proportional to 216,120.06, 324,154.56 and 58,360.80

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Solution

The fourth proportional to 216,120.06, 324,154.56 and 58,360.80 is: 87,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,120.06 : 324,154.56 = 58,360.80 : x
  2. Step 2: Convert to fraction form
    216,120.06/324,154.56 = 58,360.80/x
  3. Step 3: Cross multiply
    216,120.06x = 324,154.56 × 58,360.80
  4. Step 4: Simplify right side
    216,120.06x = 18,917,919,445.25
  5. Step 5: Solve for x
    x = 18,917,919,445.25/216,120.06
  6. Step 6: Final answer
    x = 87,534.31

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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.