Home / 227,072.10-340,649.46-77,304.72

Finding the Fourth Proportional to 227,072.10, 340,649.46 and 77,304.72

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Solution

The fourth proportional to 227,072.10, 340,649.46 and 77,304.72 is: 115,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,072.10 : 340,649.46 = 77,304.72 : x
  2. Step 2: Convert to fraction form
    227,072.10/340,649.46 = 77,304.72/x
  3. Step 3: Cross multiply
    227,072.10x = 340,649.46 × 77,304.72
  4. Step 4: Simplify right side
    227,072.10x = 26,333,811,123.45
  5. Step 5: Solve for x
    x = 26,333,811,123.45/227,072.10
  6. Step 6: Final answer
    x = 115,971.14

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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.