Home / 215,160.19-322,445.03-136,132.94

Finding the Fourth Proportional to 215,160.19, 322,445.03 and 136,132.94

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Solution

The fourth proportional to 215,160.19, 322,445.03 and 136,132.94 is: 204,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,160.19 : 322,445.03 = 136,132.94 : x
  2. Step 2: Convert to fraction form
    215,160.19/322,445.03 = 136,132.94/x
  3. Step 3: Cross multiply
    215,160.19x = 322,445.03 × 136,132.94
  4. Step 4: Simplify right side
    215,160.19x = 43,895,389,922.29
  5. Step 5: Solve for x
    x = 43,895,389,922.29/215,160.19
  6. Step 6: Final answer
    x = 204,012.60

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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.