Home / 127,876.61-191,933.21-64,741.09

Finding the Fourth Proportional to 127,876.61, 191,933.21 and 64,741.09

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Solution

The fourth proportional to 127,876.61, 191,933.21 and 64,741.09 is: 97,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,876.61 : 191,933.21 = 64,741.09 : x
  2. Step 2: Convert to fraction form
    127,876.61/191,933.21 = 64,741.09/x
  3. Step 3: Cross multiply
    127,876.61x = 191,933.21 × 64,741.09
  4. Step 4: Simplify right side
    127,876.61x = 12,425,964,904.62
  5. Step 5: Solve for x
    x = 12,425,964,904.62/127,876.61
  6. Step 6: Final answer
    x = 97,171.53

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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.