Home / 107,562.74-161,322.84-102,228.48

Finding the Fourth Proportional to 107,562.74, 161,322.84 and 102,228.48

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Solution

The fourth proportional to 107,562.74, 161,322.84 and 102,228.48 is: 153,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,562.74 : 161,322.84 = 102,228.48 : x
  2. Step 2: Convert to fraction form
    107,562.74/161,322.84 = 102,228.48/x
  3. Step 3: Cross multiply
    107,562.74x = 161,322.84 × 102,228.48
  4. Step 4: Simplify right side
    107,562.74x = 16,491,788,722.48
  5. Step 5: Solve for x
    x = 16,491,788,722.48/107,562.74
  6. Step 6: Final answer
    x = 153,322.51

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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.