Home / 149,697.90-224,218.80-133,076.70

Finding the Fourth Proportional to 149,697.90, 224,218.80 and 133,076.70

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Solution

The fourth proportional to 149,697.90, 224,218.80 and 133,076.70 is: 199,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,697.90 : 224,218.80 = 133,076.70 : x
  2. Step 2: Convert to fraction form
    149,697.90/224,218.80 = 133,076.70/x
  3. Step 3: Cross multiply
    149,697.90x = 224,218.80 × 133,076.70
  4. Step 4: Simplify right side
    149,697.90x = 29,838,297,981.96
  5. Step 5: Solve for x
    x = 29,838,297,981.96/149,697.90
  6. Step 6: Final answer
    x = 199,323.42

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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.