Home / 191,786.24-285,414.90-185,400.41

Finding the Fourth Proportional to 191,786.24, 285,414.90 and 185,400.41

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Solution

The fourth proportional to 191,786.24, 285,414.90 and 185,400.41 is: 275,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,786.24 : 285,414.90 = 185,400.41 : x
  2. Step 2: Convert to fraction form
    191,786.24/285,414.90 = 185,400.41/x
  3. Step 3: Cross multiply
    191,786.24x = 285,414.90 × 185,400.41
  4. Step 4: Simplify right side
    191,786.24x = 52,916,038,053.03
  5. Step 5: Solve for x
    x = 52,916,038,053.03/191,786.24
  6. Step 6: Final answer
    x = 275,911.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.