Home / 338,904.81-508,227.62-102,177.45

Finding the Fourth Proportional to 338,904.81, 508,227.62 and 102,177.45

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Solution

The fourth proportional to 338,904.81, 508,227.62 and 102,177.45 is: 153,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,904.81 : 508,227.62 = 102,177.45 : x
  2. Step 2: Convert to fraction form
    338,904.81/508,227.62 = 102,177.45/x
  3. Step 3: Cross multiply
    338,904.81x = 508,227.62 × 102,177.45
  4. Step 4: Simplify right side
    338,904.81x = 51,929,401,720.28
  5. Step 5: Solve for x
    x = 51,929,401,720.28/338,904.81
  6. Step 6: Final answer
    x = 153,227.10

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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.