Home / 182,905.60-274,531.20-112,921.60

Finding the Fourth Proportional to 182,905.60, 274,531.20 and 112,921.60

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Solution

The fourth proportional to 182,905.60, 274,531.20 and 112,921.60 is: 169,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,905.60 : 274,531.20 = 112,921.60 : x
  2. Step 2: Convert to fraction form
    182,905.60/274,531.20 = 112,921.60/x
  3. Step 3: Cross multiply
    182,905.60x = 274,531.20 × 112,921.60
  4. Step 4: Simplify right side
    182,905.60x = 31,000,502,353.92
  5. Step 5: Solve for x
    x = 31,000,502,353.92/182,905.60
  6. Step 6: Final answer
    x = 169,489.08

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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.