Home / 338,923.71-508,389.48-102,268.44

Finding the Fourth Proportional to 338,923.71, 508,389.48 and 102,268.44

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Solution

The fourth proportional to 338,923.71, 508,389.48 and 102,268.44 is: 153,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,923.71 : 508,389.48 = 102,268.44 : x
  2. Step 2: Convert to fraction form
    338,923.71/508,389.48 = 102,268.44/x
  3. Step 3: Cross multiply
    338,923.71x = 508,389.48 × 102,268.44
  4. Step 4: Simplify right side
    338,923.71x = 51,992,199,032.01
  5. Step 5: Solve for x
    x = 51,992,199,032.01/338,923.71
  6. Step 6: Final answer
    x = 153,403.84

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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.