Home / 144,353.07-199,189.87-79,813.59

Finding the Fourth Proportional to 144,353.07, 199,189.87 and 79,813.59

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Solution

The fourth proportional to 144,353.07, 199,189.87 and 79,813.59 is: 110,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,353.07 : 199,189.87 = 79,813.59 : x
  2. Step 2: Convert to fraction form
    144,353.07/199,189.87 = 79,813.59/x
  3. Step 3: Cross multiply
    144,353.07x = 199,189.87 × 79,813.59
  4. Step 4: Simplify right side
    144,353.07x = 15,898,057,669.84
  5. Step 5: Solve for x
    x = 15,898,057,669.84/144,353.07
  6. Step 6: Final answer
    x = 110,133.15

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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.