Home / 130,960.36-196,440.38-42,227.02

Finding the Fourth Proportional to 130,960.36, 196,440.38 and 42,227.02

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Solution

The fourth proportional to 130,960.36, 196,440.38 and 42,227.02 is: 63,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,960.36 : 196,440.38 = 42,227.02 : x
  2. Step 2: Convert to fraction form
    130,960.36/196,440.38 = 42,227.02/x
  3. Step 3: Cross multiply
    130,960.36x = 196,440.38 × 42,227.02
  4. Step 4: Simplify right side
    130,960.36x = 8,295,091,855.07
  5. Step 5: Solve for x
    x = 8,295,091,855.07/130,960.36
  6. Step 6: Final answer
    x = 63,340.48

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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.