Home / 134,682.64-185,853.30-74,253.79

Finding the Fourth Proportional to 134,682.64, 185,853.30 and 74,253.79

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Solution

The fourth proportional to 134,682.64, 185,853.30 and 74,253.79 is: 102,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.64 : 185,853.30 = 74,253.79 : x
  2. Step 2: Convert to fraction form
    134,682.64/185,853.30 = 74,253.79/x
  3. Step 3: Cross multiply
    134,682.64x = 185,853.30 × 74,253.79
  4. Step 4: Simplify right side
    134,682.64x = 13,800,311,909.01
  5. Step 5: Solve for x
    x = 13,800,311,909.01/134,682.64
  6. Step 6: Final answer
    x = 102,465.41

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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.