Home / 130,812.54-196,240.68-51,927.45

Finding the Fourth Proportional to 130,812.54, 196,240.68 and 51,927.45

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Solution

The fourth proportional to 130,812.54, 196,240.68 and 51,927.45 is: 77,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,812.54 : 196,240.68 = 51,927.45 : x
  2. Step 2: Convert to fraction form
    130,812.54/196,240.68 = 51,927.45/x
  3. Step 3: Cross multiply
    130,812.54x = 196,240.68 × 51,927.45
  4. Step 4: Simplify right side
    130,812.54x = 10,190,278,098.67
  5. Step 5: Solve for x
    x = 10,190,278,098.67/130,812.54
  6. Step 6: Final answer
    x = 77,899.86

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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.