Home / 191,982.11-287,972.10-49,827.29

Finding the Fourth Proportional to 191,982.11, 287,972.10 and 49,827.29

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Solution

The fourth proportional to 191,982.11, 287,972.10 and 49,827.29 is: 74,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,982.11 : 287,972.10 = 49,827.29 : x
  2. Step 2: Convert to fraction form
    191,982.11/287,972.10 = 49,827.29/x
  3. Step 3: Cross multiply
    191,982.11x = 287,972.10 × 49,827.29
  4. Step 4: Simplify right side
    191,982.11x = 14,348,867,898.75
  5. Step 5: Solve for x
    x = 14,348,867,898.75/191,982.11
  6. Step 6: Final answer
    x = 74,740.65

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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.