Home / 307,837.15-461,801.90-108,122.34

Finding the Fourth Proportional to 307,837.15, 461,801.90 and 108,122.34

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Solution

The fourth proportional to 307,837.15, 461,801.90 and 108,122.34 is: 162,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,837.15 : 461,801.90 = 108,122.34 : x
  2. Step 2: Convert to fraction form
    307,837.15/461,801.90 = 108,122.34/x
  3. Step 3: Cross multiply
    307,837.15x = 461,801.90 × 108,122.34
  4. Step 4: Simplify right side
    307,837.15x = 49,931,102,044.45
  5. Step 5: Solve for x
    x = 49,931,102,044.45/307,837.15
  6. Step 6: Final answer
    x = 162,199.73

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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.