Home / 231,880.60-345,743.81-227,681.56

Finding the Fourth Proportional to 231,880.60, 345,743.81 and 227,681.56

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Solution

The fourth proportional to 231,880.60, 345,743.81 and 227,681.56 is: 339,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,880.60 : 345,743.81 = 227,681.56 : x
  2. Step 2: Convert to fraction form
    231,880.60/345,743.81 = 227,681.56/x
  3. Step 3: Cross multiply
    231,880.60x = 345,743.81 × 227,681.56
  4. Step 4: Simplify right side
    231,880.60x = 78,719,490,021.14
  5. Step 5: Solve for x
    x = 78,719,490,021.14/231,880.60
  6. Step 6: Final answer
    x = 339,482.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.