Home / 144,747.09-199,751.00-81,086.22

Finding the Fourth Proportional to 144,747.09, 199,751.00 and 81,086.22

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Solution

The fourth proportional to 144,747.09, 199,751.00 and 81,086.22 is: 111,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,747.09 : 199,751.00 = 81,086.22 : x
  2. Step 2: Convert to fraction form
    144,747.09/199,751.00 = 81,086.22/x
  3. Step 3: Cross multiply
    144,747.09x = 199,751.00 × 81,086.22
  4. Step 4: Simplify right side
    144,747.09x = 16,197,053,125.79
  5. Step 5: Solve for x
    x = 16,197,053,125.79/144,747.09
  6. Step 6: Final answer
    x = 111,898.99

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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.