Home / 144,331.27-199,175.83-79,804.98

Finding the Fourth Proportional to 144,331.27, 199,175.83 and 79,804.98

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Solution

The fourth proportional to 144,331.27, 199,175.83 and 79,804.98 is: 110,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,331.27 : 199,175.83 = 79,804.98 : x
  2. Step 2: Convert to fraction form
    144,331.27/199,175.83 = 79,804.98/x
  3. Step 3: Cross multiply
    144,331.27x = 199,175.83 × 79,804.98
  4. Step 4: Simplify right side
    144,331.27x = 15,895,223,129.63
  5. Step 5: Solve for x
    x = 15,895,223,129.63/144,331.27
  6. Step 6: Final answer
    x = 110,130.14

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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.