Home / 130,534.63-195,815.61-55,662.68

Finding the Fourth Proportional to 130,534.63, 195,815.61 and 55,662.68

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Solution

The fourth proportional to 130,534.63, 195,815.61 and 55,662.68 is: 83,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,534.63 : 195,815.61 = 55,662.68 : x
  2. Step 2: Convert to fraction form
    130,534.63/195,815.61 = 55,662.68/x
  3. Step 3: Cross multiply
    130,534.63x = 195,815.61 × 55,662.68
  4. Step 4: Simplify right side
    130,534.63x = 10,899,622,127.97
  5. Step 5: Solve for x
    x = 10,899,622,127.97/130,534.63
  6. Step 6: Final answer
    x = 83,499.85

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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.