Home / 191,814.57-264,703.56-111,289.23

Finding the Fourth Proportional to 191,814.57, 264,703.56 and 111,289.23

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Solution

The fourth proportional to 191,814.57, 264,703.56 and 111,289.23 is: 153,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,814.57 : 264,703.56 = 111,289.23 : x
  2. Step 2: Convert to fraction form
    191,814.57/264,703.56 = 111,289.23/x
  3. Step 3: Cross multiply
    191,814.57x = 264,703.56 × 111,289.23
  4. Step 4: Simplify right side
    191,814.57x = 29,458,655,370.66
  5. Step 5: Solve for x
    x = 29,458,655,370.66/191,814.57
  6. Step 6: Final answer
    x = 153,578.82

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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.