Home / 141,852.97-195,757.09-78,192.10

Finding the Fourth Proportional to 141,852.97, 195,757.09 and 78,192.10

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Solution

The fourth proportional to 141,852.97, 195,757.09 and 78,192.10 is: 107,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,852.97 : 195,757.09 = 78,192.10 : x
  2. Step 2: Convert to fraction form
    141,852.97/195,757.09 = 78,192.10/x
  3. Step 3: Cross multiply
    141,852.97x = 195,757.09 × 78,192.10
  4. Step 4: Simplify right side
    141,852.97x = 15,306,657,956.99
  5. Step 5: Solve for x
    x = 15,306,657,956.99/141,852.97
  6. Step 6: Final answer
    x = 107,905.09

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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.