Home / 169,188.72-253,785.96-64,057.20

Finding the Fourth Proportional to 169,188.72, 253,785.96 and 64,057.20

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Solution

The fourth proportional to 169,188.72, 253,785.96 and 64,057.20 is: 96,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,188.72 : 253,785.96 = 64,057.20 : x
  2. Step 2: Convert to fraction form
    169,188.72/253,785.96 = 64,057.20/x
  3. Step 3: Cross multiply
    169,188.72x = 253,785.96 × 64,057.20
  4. Step 4: Simplify right side
    169,188.72x = 16,256,817,996.91
  5. Step 5: Solve for x
    x = 16,256,817,996.91/169,188.72
  6. Step 6: Final answer
    x = 96,086.89

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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.