Home / 108,200.20-162,348.90-49,005.40

Finding the Fourth Proportional to 108,200.20, 162,348.90 and 49,005.40

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Solution

The fourth proportional to 108,200.20, 162,348.90 and 49,005.40 is: 73,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,200.20 : 162,348.90 = 49,005.40 : x
  2. Step 2: Convert to fraction form
    108,200.20/162,348.90 = 49,005.40/x
  3. Step 3: Cross multiply
    108,200.20x = 162,348.90 × 49,005.40
  4. Step 4: Simplify right side
    108,200.20x = 7,955,972,784.06
  5. Step 5: Solve for x
    x = 7,955,972,784.06/108,200.20
  6. Step 6: Final answer
    x = 73,530.11

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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.