Home / 130,760.46-196,147.71-42,007.14

Finding the Fourth Proportional to 130,760.46, 196,147.71 and 42,007.14

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Solution

The fourth proportional to 130,760.46, 196,147.71 and 42,007.14 is: 63,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,760.46 : 196,147.71 = 42,007.14 : x
  2. Step 2: Convert to fraction form
    130,760.46/196,147.71 = 42,007.14/x
  3. Step 3: Cross multiply
    130,760.46x = 196,147.71 × 42,007.14
  4. Step 4: Simplify right side
    130,760.46x = 8,239,604,314.65
  5. Step 5: Solve for x
    x = 8,239,604,314.65/130,760.46
  6. Step 6: Final answer
    x = 63,012.97

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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.