Home / 226,515.86-312,585.27-124,541.21

Finding the Fourth Proportional to 226,515.86, 312,585.27 and 124,541.21

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Solution

The fourth proportional to 226,515.86, 312,585.27 and 124,541.21 is: 171,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,515.86 : 312,585.27 = 124,541.21 : x
  2. Step 2: Convert to fraction form
    226,515.86/312,585.27 = 124,541.21/x
  3. Step 3: Cross multiply
    226,515.86x = 312,585.27 × 124,541.21
  4. Step 4: Simplify right side
    226,515.86x = 38,929,747,753.98
  5. Step 5: Solve for x
    x = 38,929,747,753.98/226,515.86
  6. Step 6: Final answer
    x = 171,863.23

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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.