Home / 165,286.20-247,929.30-98,801.40

Finding the Fourth Proportional to 165,286.20, 247,929.30 and 98,801.40

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Solution

The fourth proportional to 165,286.20, 247,929.30 and 98,801.40 is: 148,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,286.20 : 247,929.30 = 98,801.40 : x
  2. Step 2: Convert to fraction form
    165,286.20/247,929.30 = 98,801.40/x
  3. Step 3: Cross multiply
    165,286.20x = 247,929.30 × 98,801.40
  4. Step 4: Simplify right side
    165,286.20x = 24,495,761,941.02
  5. Step 5: Solve for x
    x = 24,495,761,941.02/165,286.20
  6. Step 6: Final answer
    x = 148,202.10

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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.