Home / 134,659.60-185,831.55-74,232.64

Finding the Fourth Proportional to 134,659.60, 185,831.55 and 74,232.64

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Solution

The fourth proportional to 134,659.60, 185,831.55 and 74,232.64 is: 102,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,659.60 : 185,831.55 = 74,232.64 : x
  2. Step 2: Convert to fraction form
    134,659.60/185,831.55 = 74,232.64/x
  3. Step 3: Cross multiply
    134,659.60x = 185,831.55 × 74,232.64
  4. Step 4: Simplify right side
    134,659.60x = 13,794,766,551.79
  5. Step 5: Solve for x
    x = 13,794,766,551.79/134,659.60
  6. Step 6: Final answer
    x = 102,441.76

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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.