Home / 197,757.66-272,903.40-107,111.37

Finding the Fourth Proportional to 197,757.66, 272,903.40 and 107,111.37

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Solution

The fourth proportional to 197,757.66, 272,903.40 and 107,111.37 is: 147,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,757.66 : 272,903.40 = 107,111.37 : x
  2. Step 2: Convert to fraction form
    197,757.66/272,903.40 = 107,111.37/x
  3. Step 3: Cross multiply
    197,757.66x = 272,903.40 × 107,111.37
  4. Step 4: Simplify right side
    197,757.66x = 29,231,057,051.66
  5. Step 5: Solve for x
    x = 29,231,057,051.66/197,757.66
  6. Step 6: Final answer
    x = 147,812.51

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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.