Home / 141,725.25-195,566.65-87,268.69

Finding the Fourth Proportional to 141,725.25, 195,566.65 and 87,268.69

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Solution

The fourth proportional to 141,725.25, 195,566.65 and 87,268.69 is: 120,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,725.25 : 195,566.65 = 87,268.69 : x
  2. Step 2: Convert to fraction form
    141,725.25/195,566.65 = 87,268.69/x
  3. Step 3: Cross multiply
    141,725.25x = 195,566.65 × 87,268.69
  4. Step 4: Simplify right side
    141,725.25x = 17,066,844,646.10
  5. Step 5: Solve for x
    x = 17,066,844,646.10/141,725.25
  6. Step 6: Final answer
    x = 120,422.05

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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.