Home / 134,682.24-185,862.78-74,255.04

Finding the Fourth Proportional to 134,682.24, 185,862.78 and 74,255.04

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Solution

The fourth proportional to 134,682.24, 185,862.78 and 74,255.04 is: 102,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.24 : 185,862.78 = 74,255.04 : x
  2. Step 2: Convert to fraction form
    134,682.24/185,862.78 = 74,255.04/x
  3. Step 3: Cross multiply
    134,682.24x = 185,862.78 × 74,255.04
  4. Step 4: Simplify right side
    134,682.24x = 13,801,248,163.41
  5. Step 5: Solve for x
    x = 13,801,248,163.41/134,682.24
  6. Step 6: Final answer
    x = 102,472.67

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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.