Home / 141,610.07-195,399.03-81,169.59

Finding the Fourth Proportional to 141,610.07, 195,399.03 and 81,169.59

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Solution

The fourth proportional to 141,610.07, 195,399.03 and 81,169.59 is: 112,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,610.07 : 195,399.03 = 81,169.59 : x
  2. Step 2: Convert to fraction form
    141,610.07/195,399.03 = 81,169.59/x
  3. Step 3: Cross multiply
    141,610.07x = 195,399.03 × 81,169.59
  4. Step 4: Simplify right side
    141,610.07x = 15,860,460,188.63
  5. Step 5: Solve for x
    x = 15,860,460,188.63/141,610.07
  6. Step 6: Final answer
    x = 112,000.93

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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.