Home / 191,918.11-264,761.41-111,298.91

Finding the Fourth Proportional to 191,918.11, 264,761.41 and 111,298.91

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Solution

The fourth proportional to 191,918.11, 264,761.41 and 111,298.91 is: 153,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,918.11 : 264,761.41 = 111,298.91 : x
  2. Step 2: Convert to fraction form
    191,918.11/264,761.41 = 111,298.91/x
  3. Step 3: Cross multiply
    191,918.11x = 264,761.41 × 111,298.91
  4. Step 4: Simplify right side
    191,918.11x = 29,467,656,438.98
  5. Step 5: Solve for x
    x = 29,467,656,438.98/191,918.11
  6. Step 6: Final answer
    x = 153,542.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.