Home / 325,777.71-488,666.97-89,122.44

Finding the Fourth Proportional to 325,777.71, 488,666.97 and 89,122.44

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Solution

The fourth proportional to 325,777.71, 488,666.97 and 89,122.44 is: 133,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,777.71 : 488,666.97 = 89,122.44 : x
  2. Step 2: Convert to fraction form
    325,777.71/488,666.97 = 89,122.44/x
  3. Step 3: Cross multiply
    325,777.71x = 488,666.97 × 89,122.44
  4. Step 4: Simplify right side
    325,777.71x = 43,551,192,713.81
  5. Step 5: Solve for x
    x = 43,551,192,713.81/325,777.71
  6. Step 6: Final answer
    x = 133,683.77

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1.5x scale

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.