Home / 127,373.07-191,052.72-52,491.81

Finding the Fourth Proportional to 127,373.07, 191,052.72 and 52,491.81

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Solution

The fourth proportional to 127,373.07, 191,052.72 and 52,491.81 is: 78,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,373.07 : 191,052.72 = 52,491.81 : x
  2. Step 2: Convert to fraction form
    127,373.07/191,052.72 = 52,491.81/x
  3. Step 3: Cross multiply
    127,373.07x = 191,052.72 × 52,491.81
  4. Step 4: Simplify right side
    127,373.07x = 10,028,703,078.22
  5. Step 5: Solve for x
    x = 10,028,703,078.22/127,373.07
  6. Step 6: Final answer
    x = 78,734.88

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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.