Home / 141,871.94-195,785.45-77,341.22

Finding the Fourth Proportional to 141,871.94, 195,785.45 and 77,341.22

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Solution

The fourth proportional to 141,871.94, 195,785.45 and 77,341.22 is: 106,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,871.94 : 195,785.45 = 77,341.22 : x
  2. Step 2: Convert to fraction form
    141,871.94/195,785.45 = 77,341.22/x
  3. Step 3: Cross multiply
    141,871.94x = 195,785.45 × 77,341.22
  4. Step 4: Simplify right side
    141,871.94x = 15,142,285,142.77
  5. Step 5: Solve for x
    x = 15,142,285,142.77/141,871.94
  6. Step 6: Final answer
    x = 106,732.06

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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.