Home / 134,632.11-185,791.71-73,378.20

Finding the Fourth Proportional to 134,632.11, 185,791.71 and 73,378.20

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Solution

The fourth proportional to 134,632.11, 185,791.71 and 73,378.20 is: 101,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,632.11 : 185,791.71 = 73,378.20 : x
  2. Step 2: Convert to fraction form
    134,632.11/185,791.71 = 73,378.20/x
  3. Step 3: Cross multiply
    134,632.11x = 185,791.71 × 73,378.20
  4. Step 4: Simplify right side
    134,632.11x = 13,633,061,254.72
  5. Step 5: Solve for x
    x = 13,633,061,254.72/134,632.11
  6. Step 6: Final answer
    x = 101,261.59

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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.