Home / 141,553.22-195,349.88-87,855.54

Finding the Fourth Proportional to 141,553.22, 195,349.88 and 87,855.54

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Solution

The fourth proportional to 141,553.22, 195,349.88 and 87,855.54 is: 121,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,553.22 : 195,349.88 = 87,855.54 : x
  2. Step 2: Convert to fraction form
    141,553.22/195,349.88 = 87,855.54/x
  3. Step 3: Cross multiply
    141,553.22x = 195,349.88 × 87,855.54
  4. Step 4: Simplify right side
    141,553.22x = 17,162,569,196.34
  5. Step 5: Solve for x
    x = 17,162,569,196.34/141,553.22
  6. Step 6: Final answer
    x = 121,244.64

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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.