Home / 141,877.54-195,792.31-78,217.62

Finding the Fourth Proportional to 141,877.54, 195,792.31 and 78,217.62

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Solution

The fourth proportional to 141,877.54, 195,792.31 and 78,217.62 is: 107,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,877.54 : 195,792.31 = 78,217.62 : x
  2. Step 2: Convert to fraction form
    141,877.54/195,792.31 = 78,217.62/x
  3. Step 3: Cross multiply
    141,877.54x = 195,792.31 × 78,217.62
  4. Step 4: Simplify right side
    141,877.54x = 15,314,408,502.50
  5. Step 5: Solve for x
    x = 15,314,408,502.50/141,877.54
  6. Step 6: Final answer
    x = 107,941.03

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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.