Home / 142,724.26-196,772.76-122,795.22

Finding the Fourth Proportional to 142,724.26, 196,772.76 and 122,795.22

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Solution

The fourth proportional to 142,724.26, 196,772.76 and 122,795.22 is: 169,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,724.26 : 196,772.76 = 122,795.22 : x
  2. Step 2: Convert to fraction form
    142,724.26/196,772.76 = 122,795.22/x
  3. Step 3: Cross multiply
    142,724.26x = 196,772.76 × 122,795.22
  4. Step 4: Simplify right side
    142,724.26x = 24,162,754,354.21
  5. Step 5: Solve for x
    x = 24,162,754,354.21/142,724.26
  6. Step 6: Final answer
    x = 169,296.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.