Home / 165,089.34-247,240.35-90,097.11

Finding the Fourth Proportional to 165,089.34, 247,240.35 and 90,097.11

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Solution

The fourth proportional to 165,089.34, 247,240.35 and 90,097.11 is: 134,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,089.34 : 247,240.35 = 90,097.11 : x
  2. Step 2: Convert to fraction form
    165,089.34/247,240.35 = 90,097.11/x
  3. Step 3: Cross multiply
    165,089.34x = 247,240.35 × 90,097.11
  4. Step 4: Simplify right side
    165,089.34x = 22,275,641,010.39
  5. Step 5: Solve for x
    x = 22,275,641,010.39/165,089.34
  6. Step 6: Final answer
    x = 134,930.83

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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.