Home / 141,670.51-195,461.43-80,406.85

Finding the Fourth Proportional to 141,670.51, 195,461.43 and 80,406.85

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Solution

The fourth proportional to 141,670.51, 195,461.43 and 80,406.85 is: 110,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,670.51 : 195,461.43 = 80,406.85 : x
  2. Step 2: Convert to fraction form
    141,670.51/195,461.43 = 80,406.85/x
  3. Step 3: Cross multiply
    141,670.51x = 195,461.43 × 80,406.85
  4. Step 4: Simplify right side
    141,670.51x = 15,716,437,882.80
  5. Step 5: Solve for x
    x = 15,716,437,882.80/141,670.51
  6. Step 6: Final answer
    x = 110,936.55

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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.