Home / 403,545.20-605,316.18-123,061.64

Finding the Fourth Proportional to 403,545.20, 605,316.18 and 123,061.64

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Solution

The fourth proportional to 403,545.20, 605,316.18 and 123,061.64 is: 184,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,545.20 : 605,316.18 = 123,061.64 : x
  2. Step 2: Convert to fraction form
    403,545.20/605,316.18 = 123,061.64/x
  3. Step 3: Cross multiply
    403,545.20x = 605,316.18 × 123,061.64
  4. Step 4: Simplify right side
    403,545.20x = 74,491,201,829.34
  5. Step 5: Solve for x
    x = 74,491,201,829.34/403,545.20
  6. Step 6: Final answer
    x = 184,591.97

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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.