Home / 151,836.24-209,523.60-91,395.12

Finding the Fourth Proportional to 151,836.24, 209,523.60 and 91,395.12

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Solution

The fourth proportional to 151,836.24, 209,523.60 and 91,395.12 is: 126,119.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,836.24 : 209,523.60 = 91,395.12 : x
  2. Step 2: Convert to fraction form
    151,836.24/209,523.60 = 91,395.12/x
  3. Step 3: Cross multiply
    151,836.24x = 209,523.60 × 91,395.12
  4. Step 4: Simplify right side
    151,836.24x = 19,149,434,564.83
  5. Step 5: Solve for x
    x = 19,149,434,564.83/151,836.24
  6. Step 6: Final answer
    x = 126,119.00

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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.