Home / 141,706.14-195,563.32-78,043.92

Finding the Fourth Proportional to 141,706.14, 195,563.32 and 78,043.92

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Solution

The fourth proportional to 141,706.14, 195,563.32 and 78,043.92 is: 107,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,706.14 : 195,563.32 = 78,043.92 : x
  2. Step 2: Convert to fraction form
    141,706.14/195,563.32 = 78,043.92/x
  3. Step 3: Cross multiply
    141,706.14x = 195,563.32 × 78,043.92
  4. Step 4: Simplify right side
    141,706.14x = 15,262,528,101.01
  5. Step 5: Solve for x
    x = 15,262,528,101.01/141,706.14
  6. Step 6: Final answer
    x = 107,705.48

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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.