Home / 366,531.30-549,723.12-100,318.74

Finding the Fourth Proportional to 366,531.30, 549,723.12 and 100,318.74

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Solution

The fourth proportional to 366,531.30, 549,723.12 and 100,318.74 is: 150,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,531.30 : 549,723.12 = 100,318.74 : x
  2. Step 2: Convert to fraction form
    366,531.30/549,723.12 = 100,318.74/x
  3. Step 3: Cross multiply
    366,531.30x = 549,723.12 × 100,318.74
  4. Step 4: Simplify right side
    366,531.30x = 55,147,530,747.27
  5. Step 5: Solve for x
    x = 55,147,530,747.27/366,531.30
  6. Step 6: Final answer
    x = 150,457.90

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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.