Home / 134,660.49-185,831.41-74,232.12

Finding the Fourth Proportional to 134,660.49, 185,831.41 and 74,232.12

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Solution

The fourth proportional to 134,660.49, 185,831.41 and 74,232.12 is: 102,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,660.49 : 185,831.41 = 74,232.12 : x
  2. Step 2: Convert to fraction form
    134,660.49/185,831.41 = 74,232.12/x
  3. Step 3: Cross multiply
    134,660.49x = 185,831.41 × 74,232.12
  4. Step 4: Simplify right side
    134,660.49x = 13,794,659,526.89
  5. Step 5: Solve for x
    x = 13,794,659,526.89/134,660.49
  6. Step 6: Final answer
    x = 102,440.29

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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.