Home / 302,009.22-453,016.55-91,647.15

Finding the Fourth Proportional to 302,009.22, 453,016.55 and 91,647.15

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Solution

The fourth proportional to 302,009.22, 453,016.55 and 91,647.15 is: 137,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,009.22 : 453,016.55 = 91,647.15 : x
  2. Step 2: Convert to fraction form
    302,009.22/453,016.55 = 91,647.15/x
  3. Step 3: Cross multiply
    302,009.22x = 453,016.55 × 91,647.15
  4. Step 4: Simplify right side
    302,009.22x = 41,517,675,710.33
  5. Step 5: Solve for x
    x = 41,517,675,710.33/302,009.22
  6. Step 6: Final answer
    x = 137,471.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.