Home / 141,725.50-195,566.99-87,268.94

Finding the Fourth Proportional to 141,725.50, 195,566.99 and 87,268.94

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Solution

The fourth proportional to 141,725.50, 195,566.99 and 87,268.94 is: 120,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,725.50 : 195,566.99 = 87,268.94 : x
  2. Step 2: Convert to fraction form
    141,725.50/195,566.99 = 87,268.94/x
  3. Step 3: Cross multiply
    141,725.50x = 195,566.99 × 87,268.94
  4. Step 4: Simplify right side
    141,725.50x = 17,066,923,916.29
  5. Step 5: Solve for x
    x = 17,066,923,916.29/141,725.50
  6. Step 6: Final answer
    x = 120,422.39

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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.