Home / 141,928.25-195,852.05-81,456.34

Finding the Fourth Proportional to 141,928.25, 195,852.05 and 81,456.34

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Solution

The fourth proportional to 141,928.25, 195,852.05 and 81,456.34 is: 112,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,928.25 : 195,852.05 = 81,456.34 : x
  2. Step 2: Convert to fraction form
    141,928.25/195,852.05 = 81,456.34/x
  3. Step 3: Cross multiply
    141,928.25x = 195,852.05 × 81,456.34
  4. Step 4: Simplify right side
    141,928.25x = 15,953,389,787.96
  5. Step 5: Solve for x
    x = 15,953,389,787.96/141,928.25
  6. Step 6: Final answer
    x = 112,404.61

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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.