Home / 144,344.84-199,187.79-79,810.33

Finding the Fourth Proportional to 144,344.84, 199,187.79 and 79,810.33

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Solution

The fourth proportional to 144,344.84, 199,187.79 and 79,810.33 is: 110,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,344.84 : 199,187.79 = 79,810.33 : x
  2. Step 2: Convert to fraction form
    144,344.84/199,187.79 = 79,810.33/x
  3. Step 3: Cross multiply
    144,344.84x = 199,187.79 × 79,810.33
  4. Step 4: Simplify right side
    144,344.84x = 15,897,243,277.02
  5. Step 5: Solve for x
    x = 15,897,243,277.02/144,344.84
  6. Step 6: Final answer
    x = 110,133.79

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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.