Home / 150,029.52-207,042.12-82,962.64

Finding the Fourth Proportional to 150,029.52, 207,042.12 and 82,962.64

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Solution

The fourth proportional to 150,029.52, 207,042.12 and 82,962.64 is: 114,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,029.52 : 207,042.12 = 82,962.64 : x
  2. Step 2: Convert to fraction form
    150,029.52/207,042.12 = 82,962.64/x
  3. Step 3: Cross multiply
    150,029.52x = 207,042.12 × 82,962.64
  4. Step 4: Simplify right side
    150,029.52x = 17,176,760,866.40
  5. Step 5: Solve for x
    x = 17,176,760,866.40/150,029.52
  6. Step 6: Final answer
    x = 114,489.21

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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.