Home / 108,747.40-162,926.70-88,918.60

Finding the Fourth Proportional to 108,747.40, 162,926.70 and 88,918.60

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Solution

The fourth proportional to 108,747.40, 162,926.70 and 88,918.60 is: 133,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,747.40 : 162,926.70 = 88,918.60 : x
  2. Step 2: Convert to fraction form
    108,747.40/162,926.70 = 88,918.60/x
  3. Step 3: Cross multiply
    108,747.40x = 162,926.70 × 88,918.60
  4. Step 4: Simplify right side
    108,747.40x = 14,487,214,066.62
  5. Step 5: Solve for x
    x = 14,487,214,066.62/108,747.40
  6. Step 6: Final answer
    x = 133,218.95

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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.