Home / 338,630.31-507,956.17-125,451.58

Finding the Fourth Proportional to 338,630.31, 507,956.17 and 125,451.58

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Solution

The fourth proportional to 338,630.31, 507,956.17 and 125,451.58 is: 188,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,630.31 : 507,956.17 = 125,451.58 : x
  2. Step 2: Convert to fraction form
    338,630.31/507,956.17 = 125,451.58/x
  3. Step 3: Cross multiply
    338,630.31x = 507,956.17 × 125,451.58
  4. Step 4: Simplify right side
    338,630.31x = 63,723,904,097.25
  5. Step 5: Solve for x
    x = 63,723,904,097.25/338,630.31
  6. Step 6: Final answer
    x = 188,181.34

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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.