Home / 150,620.13-207,848.30-86,087.43

Finding the Fourth Proportional to 150,620.13, 207,848.30 and 86,087.43

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Solution

The fourth proportional to 150,620.13, 207,848.30 and 86,087.43 is: 118,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,620.13 : 207,848.30 = 86,087.43 : x
  2. Step 2: Convert to fraction form
    150,620.13/207,848.30 = 86,087.43/x
  3. Step 3: Cross multiply
    150,620.13x = 207,848.30 × 86,087.43
  4. Step 4: Simplify right side
    150,620.13x = 17,893,125,546.43
  5. Step 5: Solve for x
    x = 17,893,125,546.43/150,620.13
  6. Step 6: Final answer
    x = 118,796.38

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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.