Home / 134,513.21-185,620.95-74,072.04

Finding the Fourth Proportional to 134,513.21, 185,620.95 and 74,072.04

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Solution

The fourth proportional to 134,513.21, 185,620.95 and 74,072.04 is: 102,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,513.21 : 185,620.95 = 74,072.04 : x
  2. Step 2: Convert to fraction form
    134,513.21/185,620.95 = 74,072.04/x
  3. Step 3: Cross multiply
    134,513.21x = 185,620.95 × 74,072.04
  4. Step 4: Simplify right side
    134,513.21x = 13,749,322,433.24
  5. Step 5: Solve for x
    x = 13,749,322,433.24/134,513.21
  6. Step 6: Final answer
    x = 102,215.41

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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.