Home / 250,110.20-374,935.40-90,146.98

Finding the Fourth Proportional to 250,110.20, 374,935.40 and 90,146.98

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Solution

The fourth proportional to 250,110.20, 374,935.40 and 90,146.98 is: 135,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,110.20 : 374,935.40 = 90,146.98 : x
  2. Step 2: Convert to fraction form
    250,110.20/374,935.40 = 90,146.98/x
  3. Step 3: Cross multiply
    250,110.20x = 374,935.40 × 90,146.98
  4. Step 4: Simplify right side
    250,110.20x = 33,799,292,617.02
  5. Step 5: Solve for x
    x = 33,799,292,617.02/250,110.20
  6. Step 6: Final answer
    x = 135,137.60

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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.