Home / 191,939.88-264,877.22-111,383.76

Finding the Fourth Proportional to 191,939.88, 264,877.22 and 111,383.76

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Solution

The fourth proportional to 191,939.88, 264,877.22 and 111,383.76 is: 153,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,939.88 : 264,877.22 = 111,383.76 : x
  2. Step 2: Convert to fraction form
    191,939.88/264,877.22 = 111,383.76/x
  3. Step 3: Cross multiply
    191,939.88x = 264,877.22 × 111,383.76
  4. Step 4: Simplify right side
    191,939.88x = 29,503,020,701.95
  5. Step 5: Solve for x
    x = 29,503,020,701.95/191,939.88
  6. Step 6: Final answer
    x = 153,709.70

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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.