Home / 191,789.13-287,673.32-58,669.38

Finding the Fourth Proportional to 191,789.13, 287,673.32 and 58,669.38

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Solution

The fourth proportional to 191,789.13, 287,673.32 and 58,669.38 is: 88,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,789.13 : 287,673.32 = 58,669.38 : x
  2. Step 2: Convert to fraction form
    191,789.13/287,673.32 = 58,669.38/x
  3. Step 3: Cross multiply
    191,789.13x = 287,673.32 × 58,669.38
  4. Step 4: Simplify right side
    191,789.13x = 16,877,615,473.62
  5. Step 5: Solve for x
    x = 16,877,615,473.62/191,789.13
  6. Step 6: Final answer
    x = 88,000.90

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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.