Home / 238,501.24-329,137.77-131,074

Finding the Fourth Proportional to 238,501.24, 329,137.77 and 131,074

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Solution

The fourth proportional to 238,501.24, 329,137.77 and 131,074 is: 180,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,501.24 : 329,137.77 = 131,074 : x
  2. Step 2: Convert to fraction form
    238,501.24/329,137.77 = 131,074/x
  3. Step 3: Cross multiply
    238,501.24x = 329,137.77 × 131,074
  4. Step 4: Simplify right side
    238,501.24x = 43,141,404,064.98
  5. Step 5: Solve for x
    x = 43,141,404,064.98/238,501.24
  6. Step 6: Final answer
    x = 180,885.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.