Home / 149,986.60-224,979.90-61,181.80

Finding the Fourth Proportional to 149,986.60, 224,979.90 and 61,181.80

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Solution

The fourth proportional to 149,986.60, 224,979.90 and 61,181.80 is: 91,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,986.60 : 224,979.90 = 61,181.80 : x
  2. Step 2: Convert to fraction form
    149,986.60/224,979.90 = 61,181.80/x
  3. Step 3: Cross multiply
    149,986.60x = 224,979.90 × 61,181.80
  4. Step 4: Simplify right side
    149,986.60x = 13,764,675,245.82
  5. Step 5: Solve for x
    x = 13,764,675,245.82/149,986.60
  6. Step 6: Final answer
    x = 91,772.70

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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.