Home / 248,064.12-372,094.79-90,292.59

Finding the Fourth Proportional to 248,064.12, 372,094.79 and 90,292.59

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Solution

The fourth proportional to 248,064.12, 372,094.79 and 90,292.59 is: 135,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,064.12 : 372,094.79 = 90,292.59 : x
  2. Step 2: Convert to fraction form
    248,064.12/372,094.79 = 90,292.59/x
  3. Step 3: Cross multiply
    248,064.12x = 372,094.79 × 90,292.59
  4. Step 4: Simplify right side
    248,064.12x = 33,597,401,863.14
  5. Step 5: Solve for x
    x = 33,597,401,863.14/248,064.12
  6. Step 6: Final answer
    x = 135,438.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.