Home / 141,600.36-195,406.98-77,936.78

Finding the Fourth Proportional to 141,600.36, 195,406.98 and 77,936.78

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Solution

The fourth proportional to 141,600.36, 195,406.98 and 77,936.78 is: 107,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,600.36 : 195,406.98 = 77,936.78 : x
  2. Step 2: Convert to fraction form
    141,600.36/195,406.98 = 77,936.78/x
  3. Step 3: Cross multiply
    141,600.36x = 195,406.98 × 77,936.78
  4. Step 4: Simplify right side
    141,600.36x = 15,229,390,810.72
  5. Step 5: Solve for x
    x = 15,229,390,810.72/141,600.36
  6. Step 6: Final answer
    x = 107,551.92

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1.5x scale

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.