Home / 215,315.22-323,091.74-88,926.06

Finding the Fourth Proportional to 215,315.22, 323,091.74 and 88,926.06

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Solution

The fourth proportional to 215,315.22, 323,091.74 and 88,926.06 is: 133,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,315.22 : 323,091.74 = 88,926.06 : x
  2. Step 2: Convert to fraction form
    215,315.22/323,091.74 = 88,926.06/x
  3. Step 3: Cross multiply
    215,315.22x = 323,091.74 × 88,926.06
  4. Step 4: Simplify right side
    215,315.22x = 28,731,275,456.74
  5. Step 5: Solve for x
    x = 28,731,275,456.74/215,315.22
  6. Step 6: Final answer
    x = 133,438.20

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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.