Home / 234,831.12-324,067.06-127,401.12

Finding the Fourth Proportional to 234,831.12, 324,067.06 and 127,401.12

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Solution

The fourth proportional to 234,831.12, 324,067.06 and 127,401.12 is: 175,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,831.12 : 324,067.06 = 127,401.12 : x
  2. Step 2: Convert to fraction form
    234,831.12/324,067.06 = 127,401.12/x
  3. Step 3: Cross multiply
    234,831.12x = 324,067.06 × 127,401.12
  4. Step 4: Simplify right side
    234,831.12x = 41,286,506,399.11
  5. Step 5: Solve for x
    x = 41,286,506,399.11/234,831.12
  6. Step 6: Final answer
    x = 175,813.61

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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.