Home / 191,184.78-263,838.04-105,147.52

Finding the Fourth Proportional to 191,184.78, 263,838.04 and 105,147.52

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Solution

The fourth proportional to 191,184.78, 263,838.04 and 105,147.52 is: 145,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,184.78 : 263,838.04 = 105,147.52 : x
  2. Step 2: Convert to fraction form
    191,184.78/263,838.04 = 105,147.52/x
  3. Step 3: Cross multiply
    191,184.78x = 263,838.04 × 105,147.52
  4. Step 4: Simplify right side
    191,184.78x = 27,741,915,587.66
  5. Step 5: Solve for x
    x = 27,741,915,587.66/191,184.78
  6. Step 6: Final answer
    x = 145,105.25

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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.