Home / 130,694.47-196,062.23-55,815.01

Finding the Fourth Proportional to 130,694.47, 196,062.23 and 55,815.01

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Solution

The fourth proportional to 130,694.47, 196,062.23 and 55,815.01 is: 83,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,694.47 : 196,062.23 = 55,815.01 : x
  2. Step 2: Convert to fraction form
    130,694.47/196,062.23 = 55,815.01/x
  3. Step 3: Cross multiply
    130,694.47x = 196,062.23 × 55,815.01
  4. Step 4: Simplify right side
    130,694.47x = 10,943,215,883.08
  5. Step 5: Solve for x
    x = 10,943,215,883.08/130,694.47
  6. Step 6: Final answer
    x = 83,731.28

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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.