Home / 307,918.40-461,647.20-167,835.20

Finding the Fourth Proportional to 307,918.40, 461,647.20 and 167,835.20

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Solution

The fourth proportional to 307,918.40, 461,647.20 and 167,835.20 is: 251,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,918.40 : 461,647.20 = 167,835.20 : x
  2. Step 2: Convert to fraction form
    307,918.40/461,647.20 = 167,835.20/x
  3. Step 3: Cross multiply
    307,918.40x = 461,647.20 × 167,835.20
  4. Step 4: Simplify right side
    307,918.40x = 77,480,650,141.44
  5. Step 5: Solve for x
    x = 77,480,650,141.44/307,918.40
  6. Step 6: Final answer
    x = 251,627.22

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1.5x scale

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.