Home / 107,869.60-161,842.80-104,029.60

Finding the Fourth Proportional to 107,869.60, 161,842.80 and 104,029.60

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Solution

The fourth proportional to 107,869.60, 161,842.80 and 104,029.60 is: 156,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.60 : 161,842.80 = 104,029.60 : x
  2. Step 2: Convert to fraction form
    107,869.60/161,842.80 = 104,029.60/x
  3. Step 3: Cross multiply
    107,869.60x = 161,842.80 × 104,029.60
  4. Step 4: Simplify right side
    107,869.60x = 16,836,441,746.88
  5. Step 5: Solve for x
    x = 16,836,441,746.88/107,869.60
  6. Step 6: Final answer
    x = 156,081.43

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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.