Home / 338,932.54-508,412.04-102,275.25

Finding the Fourth Proportional to 338,932.54, 508,412.04 and 102,275.25

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Solution

The fourth proportional to 338,932.54, 508,412.04 and 102,275.25 is: 153,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,932.54 : 508,412.04 = 102,275.25 : x
  2. Step 2: Convert to fraction form
    338,932.54/508,412.04 = 102,275.25/x
  3. Step 3: Cross multiply
    338,932.54x = 508,412.04 × 102,275.25
  4. Step 4: Simplify right side
    338,932.54x = 51,997,968,494.01
  5. Step 5: Solve for x
    x = 51,997,968,494.01/338,932.54
  6. Step 6: Final answer
    x = 153,416.87

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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.