Home / 324,136.86-447,331.32-180,924.90

Finding the Fourth Proportional to 324,136.86, 447,331.32 and 180,924.90

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Solution

The fourth proportional to 324,136.86, 447,331.32 and 180,924.90 is: 249,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,136.86 : 447,331.32 = 180,924.90 : x
  2. Step 2: Convert to fraction form
    324,136.86/447,331.32 = 180,924.90/x
  3. Step 3: Cross multiply
    324,136.86x = 447,331.32 × 180,924.90
  4. Step 4: Simplify right side
    324,136.86x = 80,933,374,337.87
  5. Step 5: Solve for x
    x = 80,933,374,337.87/324,136.86
  6. Step 6: Final answer
    x = 249,688.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.