Home / 165,084.90-247,408.65-146,276.70

Finding the Fourth Proportional to 165,084.90, 247,408.65 and 146,276.70

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Solution

The fourth proportional to 165,084.90, 247,408.65 and 146,276.70 is: 219,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,084.90 : 247,408.65 = 146,276.70 : x
  2. Step 2: Convert to fraction form
    165,084.90/247,408.65 = 146,276.70/x
  3. Step 3: Cross multiply
    165,084.90x = 247,408.65 × 146,276.70
  4. Step 4: Simplify right side
    165,084.90x = 36,190,120,873.46
  5. Step 5: Solve for x
    x = 36,190,120,873.46/165,084.90
  6. Step 6: Final answer
    x = 219,221.27

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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.