Home / 140,100.25-193,338.35-89,799.25

Finding the Fourth Proportional to 140,100.25, 193,338.35 and 89,799.25

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Solution

The fourth proportional to 140,100.25, 193,338.35 and 89,799.25 is: 123,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,100.25 : 193,338.35 = 89,799.25 : x
  2. Step 2: Convert to fraction form
    140,100.25/193,338.35 = 89,799.25/x
  3. Step 3: Cross multiply
    140,100.25x = 193,338.35 × 89,799.25
  4. Step 4: Simplify right side
    140,100.25x = 17,361,638,826.24
  5. Step 5: Solve for x
    x = 17,361,638,826.24/140,100.25
  6. Step 6: Final answer
    x = 123,922.97

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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.