Home / 127,764.90-191,684.34-52,871.22

Finding the Fourth Proportional to 127,764.90, 191,684.34 and 52,871.22

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Solution

The fourth proportional to 127,764.90, 191,684.34 and 52,871.22 is: 79,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,764.90 : 191,684.34 = 52,871.22 : x
  2. Step 2: Convert to fraction form
    127,764.90/191,684.34 = 52,871.22/x
  3. Step 3: Cross multiply
    127,764.90x = 191,684.34 × 52,871.22
  4. Step 4: Simplify right side
    127,764.90x = 10,134,584,910.69
  5. Step 5: Solve for x
    x = 10,134,584,910.69/127,764.90
  6. Step 6: Final answer
    x = 79,322.14

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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.