Home / 134,514.21-185,622.33-74,073.04

Finding the Fourth Proportional to 134,514.21, 185,622.33 and 74,073.04

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Solution

The fourth proportional to 134,514.21, 185,622.33 and 74,073.04 is: 102,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,514.21 : 185,622.33 = 74,073.04 : x
  2. Step 2: Convert to fraction form
    134,514.21/185,622.33 = 74,073.04/x
  3. Step 3: Cross multiply
    134,514.21x = 185,622.33 × 74,073.04
  4. Step 4: Simplify right side
    134,514.21x = 13,749,610,274.98
  5. Step 5: Solve for x
    x = 13,749,610,274.98/134,514.21
  6. Step 6: Final answer
    x = 102,216.79

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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.