Home / 144,831.66-199,867.23-84,438.06

Finding the Fourth Proportional to 144,831.66, 199,867.23 and 84,438.06

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Solution

The fourth proportional to 144,831.66, 199,867.23 and 84,438.06 is: 116,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,831.66 : 199,867.23 = 84,438.06 : x
  2. Step 2: Convert to fraction form
    144,831.66/199,867.23 = 84,438.06/x
  3. Step 3: Cross multiply
    144,831.66x = 199,867.23 × 84,438.06
  4. Step 4: Simplify right side
    144,831.66x = 16,876,401,158.77
  5. Step 5: Solve for x
    x = 16,876,401,158.77/144,831.66
  6. Step 6: Final answer
    x = 116,524.25

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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.