Home / 366,918.49-550,428.77-130,204.90

Finding the Fourth Proportional to 366,918.49, 550,428.77 and 130,204.90

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Solution

The fourth proportional to 366,918.49, 550,428.77 and 130,204.90 is: 195,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.49 : 550,428.77 = 130,204.90 : x
  2. Step 2: Convert to fraction form
    366,918.49/550,428.77 = 130,204.90/x
  3. Step 3: Cross multiply
    366,918.49x = 550,428.77 × 130,204.90
  4. Step 4: Simplify right side
    366,918.49x = 71,668,522,954.97
  5. Step 5: Solve for x
    x = 71,668,522,954.97/366,918.49
  6. Step 6: Final answer
    x = 195,325.46

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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.