Home / 149,720.90-224,253.30-133,099.70

Finding the Fourth Proportional to 149,720.90, 224,253.30 and 133,099.70

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Solution

The fourth proportional to 149,720.90, 224,253.30 and 133,099.70 is: 199,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720.90 : 224,253.30 = 133,099.70 : x
  2. Step 2: Convert to fraction form
    149,720.90/224,253.30 = 133,099.70/x
  3. Step 3: Cross multiply
    149,720.90x = 224,253.30 × 133,099.70
  4. Step 4: Simplify right side
    149,720.90x = 29,848,046,954.01
  5. Step 5: Solve for x
    x = 29,848,046,954.01/149,720.90
  6. Step 6: Final answer
    x = 199,357.92

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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.