Home / 202,026.15-278,788.82-110,143.47

Finding the Fourth Proportional to 202,026.15, 278,788.82 and 110,143.47

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Solution

The fourth proportional to 202,026.15, 278,788.82 and 110,143.47 is: 151,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,026.15 : 278,788.82 = 110,143.47 : x
  2. Step 2: Convert to fraction form
    202,026.15/278,788.82 = 110,143.47/x
  3. Step 3: Cross multiply
    202,026.15x = 278,788.82 × 110,143.47
  4. Step 4: Simplify right side
    202,026.15x = 30,706,767,481.29
  5. Step 5: Solve for x
    x = 30,706,767,481.29/202,026.15
  6. Step 6: Final answer
    x = 151,994.02

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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.