Home / 191,767.40-287,996.70-185,546.60

Finding the Fourth Proportional to 191,767.40, 287,996.70 and 185,546.60

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Solution

The fourth proportional to 191,767.40, 287,996.70 and 185,546.60 is: 278,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,767.40 : 287,996.70 = 185,546.60 : x
  2. Step 2: Convert to fraction form
    191,767.40/287,996.70 = 185,546.60/x
  3. Step 3: Cross multiply
    191,767.40x = 287,996.70 × 185,546.60
  4. Step 4: Simplify right side
    191,767.40x = 53,436,808,496.22
  5. Step 5: Solve for x
    x = 53,436,808,496.22/191,767.40
  6. Step 6: Final answer
    x = 278,654.29

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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.