Home / 137,231.20-205,846.80-58,325.60

Finding the Fourth Proportional to 137,231.20, 205,846.80 and 58,325.60

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Solution

The fourth proportional to 137,231.20, 205,846.80 and 58,325.60 is: 87,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,231.20 : 205,846.80 = 58,325.60 : x
  2. Step 2: Convert to fraction form
    137,231.20/205,846.80 = 58,325.60/x
  3. Step 3: Cross multiply
    137,231.20x = 205,846.80 × 58,325.60
  4. Step 4: Simplify right side
    137,231.20x = 12,006,138,118.08
  5. Step 5: Solve for x
    x = 12,006,138,118.08/137,231.20
  6. Step 6: Final answer
    x = 87,488.40

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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.