Home / 134,678.24-185,857.26-74,251.04

Finding the Fourth Proportional to 134,678.24, 185,857.26 and 74,251.04

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Solution

The fourth proportional to 134,678.24, 185,857.26 and 74,251.04 is: 102,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.24 : 185,857.26 = 74,251.04 : x
  2. Step 2: Convert to fraction form
    134,678.24/185,857.26 = 74,251.04/x
  3. Step 3: Cross multiply
    134,678.24x = 185,857.26 × 74,251.04
  4. Step 4: Simplify right side
    134,678.24x = 13,800,094,846.55
  5. Step 5: Solve for x
    x = 13,800,094,846.55/134,678.24
  6. Step 6: Final answer
    x = 102,467.15

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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.