Home / 141,904.04-195,855.94-81,516.10

Finding the Fourth Proportional to 141,904.04, 195,855.94 and 81,516.10

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Solution

The fourth proportional to 141,904.04, 195,855.94 and 81,516.10 is: 112,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,904.04 : 195,855.94 = 81,516.10 : x
  2. Step 2: Convert to fraction form
    141,904.04/195,855.94 = 81,516.10/x
  3. Step 3: Cross multiply
    141,904.04x = 195,855.94 × 81,516.10
  4. Step 4: Simplify right side
    141,904.04x = 15,965,412,390.63
  5. Step 5: Solve for x
    x = 15,965,412,390.63/141,904.04
  6. Step 6: Final answer
    x = 112,508.51

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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.