Home / 141,693.30-195,601.64-100,883.88

Finding the Fourth Proportional to 141,693.30, 195,601.64 and 100,883.88

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Solution

The fourth proportional to 141,693.30, 195,601.64 and 100,883.88 is: 139,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,693.30 : 195,601.64 = 100,883.88 : x
  2. Step 2: Convert to fraction form
    141,693.30/195,601.64 = 100,883.88/x
  3. Step 3: Cross multiply
    141,693.30x = 195,601.64 × 100,883.88
  4. Step 4: Simplify right side
    141,693.30x = 19,733,051,873.14
  5. Step 5: Solve for x
    x = 19,733,051,873.14/141,693.30
  6. Step 6: Final answer
    x = 139,265.95

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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.