Home / 338,720.18-508,081.16-114,238.30

Finding the Fourth Proportional to 338,720.18, 508,081.16 and 114,238.30

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Solution

The fourth proportional to 338,720.18, 508,081.16 and 114,238.30 is: 171,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,720.18 : 508,081.16 = 114,238.30 : x
  2. Step 2: Convert to fraction form
    338,720.18/508,081.16 = 114,238.30/x
  3. Step 3: Cross multiply
    338,720.18x = 508,081.16 × 114,238.30
  4. Step 4: Simplify right side
    338,720.18x = 58,042,327,980.43
  5. Step 5: Solve for x
    x = 58,042,327,980.43/338,720.18
  6. Step 6: Final answer
    x = 171,357.75

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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.