Home / 127,910.22-191,783.30-53,082.02

Finding the Fourth Proportional to 127,910.22, 191,783.30 and 53,082.02

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Solution

The fourth proportional to 127,910.22, 191,783.30 and 53,082.02 is: 79,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,910.22 : 191,783.30 = 53,082.02 : x
  2. Step 2: Convert to fraction form
    127,910.22/191,783.30 = 53,082.02/x
  3. Step 3: Cross multiply
    127,910.22x = 191,783.30 × 53,082.02
  4. Step 4: Simplify right side
    127,910.22x = 10,180,243,741.94
  5. Step 5: Solve for x
    x = 10,180,243,741.94/127,910.22
  6. Step 6: Final answer
    x = 79,588.98

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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.