Home / 141,316.08-195,027.03-80,905.68

Finding the Fourth Proportional to 141,316.08, 195,027.03 and 80,905.68

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Solution

The fourth proportional to 141,316.08, 195,027.03 and 80,905.68 is: 111,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,316.08 : 195,027.03 = 80,905.68 : x
  2. Step 2: Convert to fraction form
    141,316.08/195,027.03 = 80,905.68/x
  3. Step 3: Cross multiply
    141,316.08x = 195,027.03 × 80,905.68
  4. Step 4: Simplify right side
    141,316.08x = 15,778,794,480.53
  5. Step 5: Solve for x
    x = 15,778,794,480.53/141,316.08
  6. Step 6: Final answer
    x = 111,656.04

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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.