Home / 307,943.90-461,685.45-167,860.70

Finding the Fourth Proportional to 307,943.90, 461,685.45 and 167,860.70

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Solution

The fourth proportional to 307,943.90, 461,685.45 and 167,860.70 is: 251,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,943.90 : 461,685.45 = 167,860.70 : x
  2. Step 2: Convert to fraction form
    307,943.90/461,685.45 = 167,860.70/x
  3. Step 3: Cross multiply
    307,943.90x = 461,685.45 × 167,860.70
  4. Step 4: Simplify right side
    307,943.90x = 77,498,842,816.82
  5. Step 5: Solve for x
    x = 77,498,842,816.82/307,943.90
  6. Step 6: Final answer
    x = 251,665.46

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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.