Home / 358,682.20-538,056.30-92,443.70

Finding the Fourth Proportional to 358,682.20, 538,056.30 and 92,443.70

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Solution

The fourth proportional to 358,682.20, 538,056.30 and 92,443.70 is: 138,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,682.20 : 538,056.30 = 92,443.70 : x
  2. Step 2: Convert to fraction form
    358,682.20/538,056.30 = 92,443.70/x
  3. Step 3: Cross multiply
    358,682.20x = 538,056.30 × 92,443.70
  4. Step 4: Simplify right side
    358,682.20x = 49,739,915,180.31
  5. Step 5: Solve for x
    x = 49,739,915,180.31/358,682.20
  6. Step 6: Final answer
    x = 138,674.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.