Home / 307,743.69-424,757.15-180,460.29

Finding the Fourth Proportional to 307,743.69, 424,757.15 and 180,460.29

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Solution

The fourth proportional to 307,743.69, 424,757.15 and 180,460.29 is: 249,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,743.69 : 424,757.15 = 180,460.29 : x
  2. Step 2: Convert to fraction form
    307,743.69/424,757.15 = 180,460.29/x
  3. Step 3: Cross multiply
    307,743.69x = 424,757.15 × 180,460.29
  4. Step 4: Simplify right side
    307,743.69x = 76,651,798,468.57
  5. Step 5: Solve for x
    x = 76,651,798,468.57/307,743.69
  6. Step 6: Final answer
    x = 249,076.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.