Home / 137,585.72-206,399.07-48,831.80

Finding the Fourth Proportional to 137,585.72, 206,399.07 and 48,831.80

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Solution

The fourth proportional to 137,585.72, 206,399.07 and 48,831.80 is: 73,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,585.72 : 206,399.07 = 48,831.80 : x
  2. Step 2: Convert to fraction form
    137,585.72/206,399.07 = 48,831.80/x
  3. Step 3: Cross multiply
    137,585.72x = 206,399.07 × 48,831.80
  4. Step 4: Simplify right side
    137,585.72x = 10,078,837,074.43
  5. Step 5: Solve for x
    x = 10,078,837,074.43/137,585.72
  6. Step 6: Final answer
    x = 73,254.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.