Home / 191,822.38-287,733.16-51,581.14

Finding the Fourth Proportional to 191,822.38, 287,733.16 and 51,581.14

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Solution

The fourth proportional to 191,822.38, 287,733.16 and 51,581.14 is: 77,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,822.38 : 287,733.16 = 51,581.14 : x
  2. Step 2: Convert to fraction form
    191,822.38/287,733.16 = 51,581.14/x
  3. Step 3: Cross multiply
    191,822.38x = 287,733.16 × 51,581.14
  4. Step 4: Simplify right side
    191,822.38x = 14,841,603,753.75
  5. Step 5: Solve for x
    x = 14,841,603,753.75/191,822.38
  6. Step 6: Final answer
    x = 77,371.60

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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.