Home / 137,793.51-190,175.85-84,109.77

Finding the Fourth Proportional to 137,793.51, 190,175.85 and 84,109.77

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Solution

The fourth proportional to 137,793.51, 190,175.85 and 84,109.77 is: 116,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,793.51 : 190,175.85 = 84,109.77 : x
  2. Step 2: Convert to fraction form
    137,793.51/190,175.85 = 84,109.77/x
  3. Step 3: Cross multiply
    137,793.51x = 190,175.85 × 84,109.77
  4. Step 4: Simplify right side
    137,793.51x = 15,995,647,003.05
  5. Step 5: Solve for x
    x = 15,995,647,003.05/137,793.51
  6. Step 6: Final answer
    x = 116,084.18

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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.