Home / 150,431.49-207,597.07-82,447.00

Finding the Fourth Proportional to 150,431.49, 207,597.07 and 82,447.00

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Solution

The fourth proportional to 150,431.49, 207,597.07 and 82,447.00 is: 113,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,431.49 : 207,597.07 = 82,447.00 : x
  2. Step 2: Convert to fraction form
    150,431.49/207,597.07 = 82,447.00/x
  3. Step 3: Cross multiply
    150,431.49x = 207,597.07 × 82,447.00
  4. Step 4: Simplify right side
    150,431.49x = 17,115,754,979.35
  5. Step 5: Solve for x
    x = 17,115,754,979.35/150,431.49
  6. Step 6: Final answer
    x = 113,777.74

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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.