Home / 191,517.33-287,265.18-84,870.57

Finding the Fourth Proportional to 191,517.33, 287,265.18 and 84,870.57

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Solution

The fourth proportional to 191,517.33, 287,265.18 and 84,870.57 is: 127,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,517.33 : 287,265.18 = 84,870.57 : x
  2. Step 2: Convert to fraction form
    191,517.33/287,265.18 = 84,870.57/x
  3. Step 3: Cross multiply
    191,517.33x = 287,265.18 × 84,870.57
  4. Step 4: Simplify right side
    191,517.33x = 24,380,359,567.75
  5. Step 5: Solve for x
    x = 24,380,359,567.75/191,517.33
  6. Step 6: Final answer
    x = 127,301.06

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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.