Home / 403,228.20-604,259.10-178,404.60

Finding the Fourth Proportional to 403,228.20, 604,259.10 and 178,404.60

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Solution

The fourth proportional to 403,228.20, 604,259.10 and 178,404.60 is: 267,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,228.20 : 604,259.10 = 178,404.60 : x
  2. Step 2: Convert to fraction form
    403,228.20/604,259.10 = 178,404.60/x
  3. Step 3: Cross multiply
    403,228.20x = 604,259.10 × 178,404.60
  4. Step 4: Simplify right side
    403,228.20x = 107,802,603,031.86
  5. Step 5: Solve for x
    x = 107,802,603,031.86/403,228.20
  6. Step 6: Final answer
    x = 267,348.87

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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.