Home / 338,137.08-507,300.42-135,875.24

Finding the Fourth Proportional to 338,137.08, 507,300.42 and 135,875.24

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Solution

The fourth proportional to 338,137.08, 507,300.42 and 135,875.24 is: 203,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,137.08 : 507,300.42 = 135,875.24 : x
  2. Step 2: Convert to fraction form
    338,137.08/507,300.42 = 135,875.24/x
  3. Step 3: Cross multiply
    338,137.08x = 507,300.42 × 135,875.24
  4. Step 4: Simplify right side
    338,137.08x = 68,929,566,319.60
  5. Step 5: Solve for x
    x = 68,929,566,319.60/338,137.08
  6. Step 6: Final answer
    x = 203,850.95

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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.