Home / 141,588.54-195,392.88-81,162.81

Finding the Fourth Proportional to 141,588.54, 195,392.88 and 81,162.81

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Solution

The fourth proportional to 141,588.54, 195,392.88 and 81,162.81 is: 112,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,588.54 : 195,392.88 = 81,162.81 : x
  2. Step 2: Convert to fraction form
    141,588.54/195,392.88 = 81,162.81/x
  3. Step 3: Cross multiply
    141,588.54x = 195,392.88 × 81,162.81
  4. Step 4: Simplify right side
    141,588.54x = 15,858,635,194.79
  5. Step 5: Solve for x
    x = 15,858,635,194.79/141,588.54
  6. Step 6: Final answer
    x = 112,005.08

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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.