Home / 141,725.62-195,567.17-87,269.06

Finding the Fourth Proportional to 141,725.62, 195,567.17 and 87,269.06

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Solution

The fourth proportional to 141,725.62, 195,567.17 and 87,269.06 is: 120,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,725.62 : 195,567.17 = 87,269.06 : x
  2. Step 2: Convert to fraction form
    141,725.62/195,567.17 = 87,269.06/x
  3. Step 3: Cross multiply
    141,725.62x = 195,567.17 × 87,269.06
  4. Step 4: Simplify right side
    141,725.62x = 17,066,963,145.33
  5. Step 5: Solve for x
    x = 17,066,963,145.33/141,725.62
  6. Step 6: Final answer
    x = 120,422.57

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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.