Home / 338,728.25-507,931.49-196,617.38

Finding the Fourth Proportional to 338,728.25, 507,931.49 and 196,617.38

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Solution

The fourth proportional to 338,728.25, 507,931.49 and 196,617.38 is: 294,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,728.25 : 507,931.49 = 196,617.38 : x
  2. Step 2: Convert to fraction form
    338,728.25/507,931.49 = 196,617.38/x
  3. Step 3: Cross multiply
    338,728.25x = 507,931.49 × 196,617.38
  4. Step 4: Simplify right side
    338,728.25x = 99,868,155,260.55
  5. Step 5: Solve for x
    x = 99,868,155,260.55/338,728.25
  6. Step 6: Final answer
    x = 294,832.68

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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.