Home / 141,866.51-195,776.05-77,336.27

Finding the Fourth Proportional to 141,866.51, 195,776.05 and 77,336.27

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Solution

The fourth proportional to 141,866.51, 195,776.05 and 77,336.27 is: 106,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,866.51 : 195,776.05 = 77,336.27 : x
  2. Step 2: Convert to fraction form
    141,866.51/195,776.05 = 77,336.27/x
  3. Step 3: Cross multiply
    141,866.51x = 195,776.05 × 77,336.27
  4. Step 4: Simplify right side
    141,866.51x = 15,140,589,462.33
  5. Step 5: Solve for x
    x = 15,140,589,462.33/141,866.51
  6. Step 6: Final answer
    x = 106,724.20

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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.