Home / 270,254.12-405,390.82-92,759.90

Finding the Fourth Proportional to 270,254.12, 405,390.82 and 92,759.90

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Solution

The fourth proportional to 270,254.12, 405,390.82 and 92,759.90 is: 139,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,254.12 : 405,390.82 = 92,759.90 : x
  2. Step 2: Convert to fraction form
    270,254.12/405,390.82 = 92,759.90/x
  3. Step 3: Cross multiply
    270,254.12x = 405,390.82 × 92,759.90
  4. Step 4: Simplify right side
    270,254.12x = 37,604,011,924.12
  5. Step 5: Solve for x
    x = 37,604,011,924.12/270,254.12
  6. Step 6: Final answer
    x = 139,143.16

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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.