Home / 227,901.60-342,160.20-133,228.80

Finding the Fourth Proportional to 227,901.60, 342,160.20 and 133,228.80

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Solution

The fourth proportional to 227,901.60, 342,160.20 and 133,228.80 is: 200,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,901.60 : 342,160.20 = 133,228.80 : x
  2. Step 2: Convert to fraction form
    227,901.60/342,160.20 = 133,228.80/x
  3. Step 3: Cross multiply
    227,901.60x = 342,160.20 × 133,228.80
  4. Step 4: Simplify right side
    227,901.60x = 45,585,592,853.76
  5. Step 5: Solve for x
    x = 45,585,592,853.76/227,901.60
  6. Step 6: Final answer
    x = 200,023.14

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1.5x scale

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.