Home / 141,684.35-195,473.04-80,395.05

Finding the Fourth Proportional to 141,684.35, 195,473.04 and 80,395.05

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Solution

The fourth proportional to 141,684.35, 195,473.04 and 80,395.05 is: 110,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,684.35 : 195,473.04 = 80,395.05 : x
  2. Step 2: Convert to fraction form
    141,684.35/195,473.04 = 80,395.05/x
  3. Step 3: Cross multiply
    141,684.35x = 195,473.04 × 80,395.05
  4. Step 4: Simplify right side
    141,684.35x = 15,715,064,824.45
  5. Step 5: Solve for x
    x = 15,715,064,824.45/141,684.35
  6. Step 6: Final answer
    x = 110,916.02

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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.