Home / 141,588.38-195,323.72-87,935.80

Finding the Fourth Proportional to 141,588.38, 195,323.72 and 87,935.80

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Solution

The fourth proportional to 141,588.38, 195,323.72 and 87,935.80 is: 121,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,588.38 : 195,323.72 = 87,935.80 : x
  2. Step 2: Convert to fraction form
    141,588.38/195,323.72 = 87,935.80/x
  3. Step 3: Cross multiply
    141,588.38x = 195,323.72 × 87,935.80
  4. Step 4: Simplify right side
    141,588.38x = 17,175,947,577.18
  5. Step 5: Solve for x
    x = 17,175,947,577.18/141,588.38
  6. Step 6: Final answer
    x = 121,309.02

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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.