Home / 141,666.49-195,483.13-80,408.62

Finding the Fourth Proportional to 141,666.49, 195,483.13 and 80,408.62

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Solution

The fourth proportional to 141,666.49, 195,483.13 and 80,408.62 is: 110,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,666.49 : 195,483.13 = 80,408.62 : x
  2. Step 2: Convert to fraction form
    141,666.49/195,483.13 = 80,408.62/x
  3. Step 3: Cross multiply
    141,666.49x = 195,483.13 × 80,408.62
  4. Step 4: Simplify right side
    141,666.49x = 15,718,528,716.58
  5. Step 5: Solve for x
    x = 15,718,528,716.58/141,666.49
  6. Step 6: Final answer
    x = 110,954.46

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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.