Home / 227,174.10-313,578.99-155,790.42

Finding the Fourth Proportional to 227,174.10, 313,578.99 and 155,790.42

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Solution

The fourth proportional to 227,174.10, 313,578.99 and 155,790.42 is: 215,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,174.10 : 313,578.99 = 155,790.42 : x
  2. Step 2: Convert to fraction form
    227,174.10/313,578.99 = 155,790.42/x
  3. Step 3: Cross multiply
    227,174.10x = 313,578.99 × 155,790.42
  4. Step 4: Simplify right side
    227,174.10x = 48,852,602,555.28
  5. Step 5: Solve for x
    x = 48,852,602,555.28/227,174.10
  6. Step 6: Final answer
    x = 215,044.77

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1.5x scale

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.