Home / 341,321.14-512,047.62-130,942.66

Finding the Fourth Proportional to 341,321.14, 512,047.62 and 130,942.66

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Solution

The fourth proportional to 341,321.14, 512,047.62 and 130,942.66 is: 196,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,321.14 : 512,047.62 = 130,942.66 : x
  2. Step 2: Convert to fraction form
    341,321.14/512,047.62 = 130,942.66/x
  3. Step 3: Cross multiply
    341,321.14x = 512,047.62 × 130,942.66
  4. Step 4: Simplify right side
    341,321.14x = 67,048,877,409.47
  5. Step 5: Solve for x
    x = 67,048,877,409.47/341,321.14
  6. Step 6: Final answer
    x = 196,439.28

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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.