Home / 240,359.87-331,683.08-131,442.59

Finding the Fourth Proportional to 240,359.87, 331,683.08 and 131,442.59

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Solution

The fourth proportional to 240,359.87, 331,683.08 and 131,442.59 is: 181,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,359.87 : 331,683.08 = 131,442.59 : x
  2. Step 2: Convert to fraction form
    240,359.87/331,683.08 = 131,442.59/x
  3. Step 3: Cross multiply
    240,359.87x = 331,683.08 × 131,442.59
  4. Step 4: Simplify right side
    240,359.87x = 43,597,280,778.75
  5. Step 5: Solve for x
    x = 43,597,280,778.75/240,359.87
  6. Step 6: Final answer
    x = 181,383.36

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1.5x scale

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.