Home / 141,874.04-195,787.50-78,214.12

Finding the Fourth Proportional to 141,874.04, 195,787.50 and 78,214.12

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Solution

The fourth proportional to 141,874.04, 195,787.50 and 78,214.12 is: 107,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,874.04 : 195,787.50 = 78,214.12 : x
  2. Step 2: Convert to fraction form
    141,874.04/195,787.50 = 78,214.12/x
  3. Step 3: Cross multiply
    141,874.04x = 195,787.50 × 78,214.12
  4. Step 4: Simplify right side
    141,874.04x = 15,313,347,019.50
  5. Step 5: Solve for x
    x = 15,313,347,019.50/141,874.04
  6. Step 6: Final answer
    x = 107,936.22

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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.