Home / 144,581.12-199,476.48-80,908.80

Finding the Fourth Proportional to 144,581.12, 199,476.48 and 80,908.80

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Solution

The fourth proportional to 144,581.12, 199,476.48 and 80,908.80 is: 111,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.12 : 199,476.48 = 80,908.80 : x
  2. Step 2: Convert to fraction form
    144,581.12/199,476.48 = 80,908.80/x
  3. Step 3: Cross multiply
    144,581.12x = 199,476.48 × 80,908.80
  4. Step 4: Simplify right side
    144,581.12x = 16,139,402,625.02
  5. Step 5: Solve for x
    x = 16,139,402,625.02/144,581.12
  6. Step 6: Final answer
    x = 111,628.70

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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.