Home / 108,191.98-162,421.62-51,320.26

Finding the Fourth Proportional to 108,191.98, 162,421.62 and 51,320.26

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Solution

The fourth proportional to 108,191.98, 162,421.62 and 51,320.26 is: 77,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,191.98 : 162,421.62 = 51,320.26 : x
  2. Step 2: Convert to fraction form
    108,191.98/162,421.62 = 51,320.26/x
  3. Step 3: Cross multiply
    108,191.98x = 162,421.62 × 51,320.26
  4. Step 4: Simplify right side
    108,191.98x = 8,335,519,768.02
  5. Step 5: Solve for x
    x = 8,335,519,768.02/108,191.98
  6. Step 6: Final answer
    x = 77,043.79

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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.