Home / 150,127.03-207,175.19-82,144.45

Finding the Fourth Proportional to 150,127.03, 207,175.19 and 82,144.45

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Solution

The fourth proportional to 150,127.03, 207,175.19 and 82,144.45 is: 113,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,127.03 : 207,175.19 = 82,144.45 : x
  2. Step 2: Convert to fraction form
    150,127.03/207,175.19 = 82,144.45/x
  3. Step 3: Cross multiply
    150,127.03x = 207,175.19 × 82,144.45
  4. Step 4: Simplify right side
    150,127.03x = 17,018,292,036.20
  5. Step 5: Solve for x
    x = 17,018,292,036.20/150,127.03
  6. Step 6: Final answer
    x = 113,359.28

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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.