Home / 227,979.55-314,650.05-154,358.59

Finding the Fourth Proportional to 227,979.55, 314,650.05 and 154,358.59

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Solution

The fourth proportional to 227,979.55, 314,650.05 and 154,358.59 is: 213,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,979.55 : 314,650.05 = 154,358.59 : x
  2. Step 2: Convert to fraction form
    227,979.55/314,650.05 = 154,358.59/x
  3. Step 3: Cross multiply
    227,979.55x = 314,650.05 × 154,358.59
  4. Step 4: Simplify right side
    227,979.55x = 48,568,938,061.43
  5. Step 5: Solve for x
    x = 48,568,938,061.43/227,979.55
  6. Step 6: Final answer
    x = 213,040.77

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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.