Home / 144,335.77-199,175.33-79,801.28

Finding the Fourth Proportional to 144,335.77, 199,175.33 and 79,801.28

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Solution

The fourth proportional to 144,335.77, 199,175.33 and 79,801.28 is: 110,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,335.77 : 199,175.33 = 79,801.28 : x
  2. Step 2: Convert to fraction form
    144,335.77/199,175.33 = 79,801.28/x
  3. Step 3: Cross multiply
    144,335.77x = 199,175.33 × 79,801.28
  4. Step 4: Simplify right side
    144,335.77x = 15,894,446,228.96
  5. Step 5: Solve for x
    x = 15,894,446,228.96/144,335.77
  6. Step 6: Final answer
    x = 110,121.32

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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.