Home / 163,627.26-245,120.13-84,793.20

Finding the Fourth Proportional to 163,627.26, 245,120.13 and 84,793.20

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Solution

The fourth proportional to 163,627.26, 245,120.13 and 84,793.20 is: 127,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,627.26 : 245,120.13 = 84,793.20 : x
  2. Step 2: Convert to fraction form
    163,627.26/245,120.13 = 84,793.20/x
  3. Step 3: Cross multiply
    163,627.26x = 245,120.13 × 84,793.20
  4. Step 4: Simplify right side
    163,627.26x = 20,784,520,207.12
  5. Step 5: Solve for x
    x = 20,784,520,207.12/163,627.26
  6. Step 6: Final answer
    x = 127,023.58

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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.