Home / 227,913.60-342,178.20-133,240.80

Finding the Fourth Proportional to 227,913.60, 342,178.20 and 133,240.80

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Solution

The fourth proportional to 227,913.60, 342,178.20 and 133,240.80 is: 200,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,913.60 : 342,178.20 = 133,240.80 : x
  2. Step 2: Convert to fraction form
    227,913.60/342,178.20 = 133,240.80/x
  3. Step 3: Cross multiply
    227,913.60x = 342,178.20 × 133,240.80
  4. Step 4: Simplify right side
    227,913.60x = 45,592,097,110.56
  5. Step 5: Solve for x
    x = 45,592,097,110.56/227,913.60
  6. Step 6: Final answer
    x = 200,041.14

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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.