Home / 191,742.38-264,605.37-111,217.58

Finding the Fourth Proportional to 191,742.38, 264,605.37 and 111,217.58

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Solution

The fourth proportional to 191,742.38, 264,605.37 and 111,217.58 is: 153,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,742.38 : 264,605.37 = 111,217.58 : x
  2. Step 2: Convert to fraction form
    191,742.38/264,605.37 = 111,217.58/x
  3. Step 3: Cross multiply
    191,742.38x = 264,605.37 × 111,217.58
  4. Step 4: Simplify right side
    191,742.38x = 29,428,768,906.40
  5. Step 5: Solve for x
    x = 29,428,768,906.40/191,742.38
  6. Step 6: Final answer
    x = 153,480.77

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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.