Home / 213,535.42-320,317.74-63,772.90

Finding the Fourth Proportional to 213,535.42, 320,317.74 and 63,772.90

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Solution

The fourth proportional to 213,535.42, 320,317.74 and 63,772.90 is: 95,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,535.42 : 320,317.74 = 63,772.90 : x
  2. Step 2: Convert to fraction form
    213,535.42/320,317.74 = 63,772.90/x
  3. Step 3: Cross multiply
    213,535.42x = 320,317.74 × 63,772.90
  4. Step 4: Simplify right side
    213,535.42x = 20,427,591,201.25
  5. Step 5: Solve for x
    x = 20,427,591,201.25/213,535.42
  6. Step 6: Final answer
    x = 95,663.71

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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.