Home / 127,343.64-191,013.11-51,440.27

Finding the Fourth Proportional to 127,343.64, 191,013.11 and 51,440.27

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Solution

The fourth proportional to 127,343.64, 191,013.11 and 51,440.27 is: 77,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.64 : 191,013.11 = 51,440.27 : x
  2. Step 2: Convert to fraction form
    127,343.64/191,013.11 = 51,440.27/x
  3. Step 3: Cross multiply
    127,343.64x = 191,013.11 × 51,440.27
  4. Step 4: Simplify right side
    127,343.64x = 9,825,764,739.67
  5. Step 5: Solve for x
    x = 9,825,764,739.67/127,343.64
  6. Step 6: Final answer
    x = 77,159.45

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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.