Home / 141,674.47-195,503.22-81,242.19

Finding the Fourth Proportional to 141,674.47, 195,503.22 and 81,242.19

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Solution

The fourth proportional to 141,674.47, 195,503.22 and 81,242.19 is: 112,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,674.47 : 195,503.22 = 81,242.19 : x
  2. Step 2: Convert to fraction form
    141,674.47/195,503.22 = 81,242.19/x
  3. Step 3: Cross multiply
    141,674.47x = 195,503.22 × 81,242.19
  4. Step 4: Simplify right side
    141,674.47x = 15,883,109,744.85
  5. Step 5: Solve for x
    x = 15,883,109,744.85/141,674.47
  6. Step 6: Final answer
    x = 112,109.90

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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.