Home / 307,862.40-461,923.20-167,721.60

Finding the Fourth Proportional to 307,862.40, 461,923.20 and 167,721.60

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Solution

The fourth proportional to 307,862.40, 461,923.20 and 167,721.60 is: 251,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,862.40 : 461,923.20 = 167,721.60 : x
  2. Step 2: Convert to fraction form
    307,862.40/461,923.20 = 167,721.60/x
  3. Step 3: Cross multiply
    307,862.40x = 461,923.20 × 167,721.60
  4. Step 4: Simplify right side
    307,862.40x = 77,474,498,181.12
  5. Step 5: Solve for x
    x = 77,474,498,181.12/307,862.40
  6. Step 6: Final answer
    x = 251,653.01

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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.