Home / 108,769.40-162,938.10-95,780.60

Finding the Fourth Proportional to 108,769.40, 162,938.10 and 95,780.60

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Solution

The fourth proportional to 108,769.40, 162,938.10 and 95,780.60 is: 143,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,769.40 : 162,938.10 = 95,780.60 : x
  2. Step 2: Convert to fraction form
    108,769.40/162,938.10 = 95,780.60/x
  3. Step 3: Cross multiply
    108,769.40x = 162,938.10 × 95,780.60
  4. Step 4: Simplify right side
    108,769.40x = 15,606,308,980.86
  5. Step 5: Solve for x
    x = 15,606,308,980.86/108,769.40
  6. Step 6: Final answer
    x = 143,480.69

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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.