Home / 126,916.06-190,359.24-51,011.56

Finding the Fourth Proportional to 126,916.06, 190,359.24 and 51,011.56

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Solution

The fourth proportional to 126,916.06, 190,359.24 and 51,011.56 is: 76,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,916.06 : 190,359.24 = 51,011.56 : x
  2. Step 2: Convert to fraction form
    126,916.06/190,359.24 = 51,011.56/x
  3. Step 3: Cross multiply
    126,916.06x = 190,359.24 × 51,011.56
  4. Step 4: Simplify right side
    126,916.06x = 9,710,521,792.81
  5. Step 5: Solve for x
    x = 9,710,521,792.81/126,916.06
  6. Step 6: Final answer
    x = 76,511.37

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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.