Home / 144,055.51-198,791.39-79,523.36

Finding the Fourth Proportional to 144,055.51, 198,791.39 and 79,523.36

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Solution

The fourth proportional to 144,055.51, 198,791.39 and 79,523.36 is: 109,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,055.51 : 198,791.39 = 79,523.36 : x
  2. Step 2: Convert to fraction form
    144,055.51/198,791.39 = 79,523.36/x
  3. Step 3: Cross multiply
    144,055.51x = 198,791.39 × 79,523.36
  4. Step 4: Simplify right side
    144,055.51x = 15,808,559,271.87
  5. Step 5: Solve for x
    x = 15,808,559,271.87/144,055.51
  6. Step 6: Final answer
    x = 109,739.36

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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.