Home / 198,272.81-273,617.06-107,628.82

Finding the Fourth Proportional to 198,272.81, 273,617.06 and 107,628.82

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Solution

The fourth proportional to 198,272.81, 273,617.06 and 107,628.82 is: 148,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,272.81 : 273,617.06 = 107,628.82 : x
  2. Step 2: Convert to fraction form
    198,272.81/273,617.06 = 107,628.82/x
  3. Step 3: Cross multiply
    198,272.81x = 273,617.06 × 107,628.82
  4. Step 4: Simplify right side
    198,272.81x = 29,449,080,077.48
  5. Step 5: Solve for x
    x = 29,449,080,077.48/198,272.81
  6. Step 6: Final answer
    x = 148,528.08

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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.