Home / 191,918.79-287,910.38-58,766.94

Finding the Fourth Proportional to 191,918.79, 287,910.38 and 58,766.94

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Solution

The fourth proportional to 191,918.79, 287,910.38 and 58,766.94 is: 88,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,918.79 : 287,910.38 = 58,766.94 : x
  2. Step 2: Convert to fraction form
    191,918.79/287,910.38 = 58,766.94/x
  3. Step 3: Cross multiply
    191,918.79x = 287,910.38 × 58,766.94
  4. Step 4: Simplify right side
    191,918.79x = 16,919,612,173.75
  5. Step 5: Solve for x
    x = 16,919,612,173.75/191,918.79
  6. Step 6: Final answer
    x = 88,160.27

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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.