Home / 108,001.90-162,002.85-34,129.90

Finding the Fourth Proportional to 108,001.90, 162,002.85 and 34,129.90

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Solution

The fourth proportional to 108,001.90, 162,002.85 and 34,129.90 is: 51,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001.90 : 162,002.85 = 34,129.90 : x
  2. Step 2: Convert to fraction form
    108,001.90/162,002.85 = 34,129.90/x
  3. Step 3: Cross multiply
    108,001.90x = 162,002.85 × 34,129.90
  4. Step 4: Simplify right side
    108,001.90x = 5,529,141,070.22
  5. Step 5: Solve for x
    x = 5,529,141,070.22/108,001.90
  6. Step 6: Final answer
    x = 51,194.85

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1.5x scale

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.