Home / 197,788.15-272,948.48-107,144.11

Finding the Fourth Proportional to 197,788.15, 272,948.48 and 107,144.11

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Solution

The fourth proportional to 197,788.15, 272,948.48 and 107,144.11 is: 147,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,788.15 : 272,948.48 = 107,144.11 : x
  2. Step 2: Convert to fraction form
    197,788.15/272,948.48 = 107,144.11/x
  3. Step 3: Cross multiply
    197,788.15x = 272,948.48 × 107,144.11
  4. Step 4: Simplify right side
    197,788.15x = 29,244,822,699.64
  5. Step 5: Solve for x
    x = 29,244,822,699.64/197,788.15
  6. Step 6: Final answer
    x = 147,859.33

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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.