Home / 106,544.24-147,086.32-77,831.66

Finding the Fourth Proportional to 106,544.24, 147,086.32 and 77,831.66

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Solution

The fourth proportional to 106,544.24, 147,086.32 and 77,831.66 is: 107,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,544.24 : 147,086.32 = 77,831.66 : x
  2. Step 2: Convert to fraction form
    106,544.24/147,086.32 = 77,831.66/x
  3. Step 3: Cross multiply
    106,544.24x = 147,086.32 × 77,831.66
  4. Step 4: Simplify right side
    106,544.24x = 11,447,972,448.89
  5. Step 5: Solve for x
    x = 11,447,972,448.89/106,544.24
  6. Step 6: Final answer
    x = 107,448.07

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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.