Home / 267,627.20-401,298.24-90,075.20

Finding the Fourth Proportional to 267,627.20, 401,298.24 and 90,075.20

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Solution

The fourth proportional to 267,627.20, 401,298.24 and 90,075.20 is: 135,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,627.20 : 401,298.24 = 90,075.20 : x
  2. Step 2: Convert to fraction form
    267,627.20/401,298.24 = 90,075.20/x
  3. Step 3: Cross multiply
    267,627.20x = 401,298.24 × 90,075.20
  4. Step 4: Simplify right side
    267,627.20x = 36,147,019,227.65
  5. Step 5: Solve for x
    x = 36,147,019,227.65/267,627.20
  6. Step 6: Final answer
    x = 135,064.82

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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.