Home / 141,606.34-195,415.26-77,942.76

Finding the Fourth Proportional to 141,606.34, 195,415.26 and 77,942.76

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Solution

The fourth proportional to 141,606.34, 195,415.26 and 77,942.76 is: 107,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,606.34 : 195,415.26 = 77,942.76 : x
  2. Step 2: Convert to fraction form
    141,606.34/195,415.26 = 77,942.76/x
  3. Step 3: Cross multiply
    141,606.34x = 195,415.26 × 77,942.76
  4. Step 4: Simplify right side
    141,606.34x = 15,231,204,710.52
  5. Step 5: Solve for x
    x = 15,231,204,710.52/141,606.34
  6. Step 6: Final answer
    x = 107,560.19

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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.