Home / 134,685.70-185,857.92-74,253.22

Finding the Fourth Proportional to 134,685.70, 185,857.92 and 74,253.22

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Solution

The fourth proportional to 134,685.70, 185,857.92 and 74,253.22 is: 102,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,685.70 : 185,857.92 = 74,253.22 : x
  2. Step 2: Convert to fraction form
    134,685.70/185,857.92 = 74,253.22/x
  3. Step 3: Cross multiply
    134,685.70x = 185,857.92 × 74,253.22
  4. Step 4: Simplify right side
    134,685.70x = 13,800,549,022.50
  5. Step 5: Solve for x
    x = 13,800,549,022.50/134,685.70
  6. Step 6: Final answer
    x = 102,464.84

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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.