Home / 238,950.61-329,749.28-131,518.32

Finding the Fourth Proportional to 238,950.61, 329,749.28 and 131,518.32

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Solution

The fourth proportional to 238,950.61, 329,749.28 and 131,518.32 is: 181,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,950.61 : 329,749.28 = 131,518.32 : x
  2. Step 2: Convert to fraction form
    238,950.61/329,749.28 = 131,518.32/x
  3. Step 3: Cross multiply
    238,950.61x = 329,749.28 × 131,518.32
  4. Step 4: Simplify right side
    238,950.61x = 43,368,069,925.85
  5. Step 5: Solve for x
    x = 43,368,069,925.85/238,950.61
  6. Step 6: Final answer
    x = 181,493.87

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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.