Home / 141,606.84-195,415.92-77,943.28

Finding the Fourth Proportional to 141,606.84, 195,415.92 and 77,943.28

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Solution

The fourth proportional to 141,606.84, 195,415.92 and 77,943.28 is: 107,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,606.84 : 195,415.92 = 77,943.28 : x
  2. Step 2: Convert to fraction form
    141,606.84/195,415.92 = 77,943.28/x
  3. Step 3: Cross multiply
    141,606.84x = 195,415.92 × 77,943.28
  4. Step 4: Simplify right side
    141,606.84x = 15,231,357,769.02
  5. Step 5: Solve for x
    x = 15,231,357,769.02/141,606.84
  6. Step 6: Final answer
    x = 107,560.89

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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.