Home / 150,004.59-207,013.52-82,940.91

Finding the Fourth Proportional to 150,004.59, 207,013.52 and 82,940.91

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Solution

The fourth proportional to 150,004.59, 207,013.52 and 82,940.91 is: 114,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,004.59 : 207,013.52 = 82,940.91 : x
  2. Step 2: Convert to fraction form
    150,004.59/207,013.52 = 82,940.91/x
  3. Step 3: Cross multiply
    150,004.59x = 207,013.52 × 82,940.91
  4. Step 4: Simplify right side
    150,004.59x = 17,169,889,316.40
  5. Step 5: Solve for x
    x = 17,169,889,316.40/150,004.59
  6. Step 6: Final answer
    x = 114,462.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.