Home / 227,063.18-339,985.67-126,938.22

Finding the Fourth Proportional to 227,063.18, 339,985.67 and 126,938.22

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Solution

The fourth proportional to 227,063.18, 339,985.67 and 126,938.22 is: 190,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,063.18 : 339,985.67 = 126,938.22 : x
  2. Step 2: Convert to fraction form
    227,063.18/339,985.67 = 126,938.22/x
  3. Step 3: Cross multiply
    227,063.18x = 339,985.67 × 126,938.22
  4. Step 4: Simplify right side
    227,063.18x = 43,157,175,140.62
  5. Step 5: Solve for x
    x = 43,157,175,140.62/227,063.18
  6. Step 6: Final answer
    x = 190,066.82

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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.