Home / 198,410.48-273,808.47-107,768.22

Finding the Fourth Proportional to 198,410.48, 273,808.47 and 107,768.22

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Solution

The fourth proportional to 198,410.48, 273,808.47 and 107,768.22 is: 148,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,410.48 : 273,808.47 = 107,768.22 : x
  2. Step 2: Convert to fraction form
    198,410.48/273,808.47 = 107,768.22/x
  3. Step 3: Cross multiply
    198,410.48x = 273,808.47 × 107,768.22
  4. Step 4: Simplify right side
    198,410.48x = 29,507,850,810.17
  5. Step 5: Solve for x
    x = 29,507,850,810.17/198,410.48
  6. Step 6: Final answer
    x = 148,721.23

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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.