Home / 155,003.82-232,289.20-83,772.90

Finding the Fourth Proportional to 155,003.82, 232,289.20 and 83,772.90

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Solution

The fourth proportional to 155,003.82, 232,289.20 and 83,772.90 is: 125,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,003.82 : 232,289.20 = 83,772.90 : x
  2. Step 2: Convert to fraction form
    155,003.82/232,289.20 = 83,772.90/x
  3. Step 3: Cross multiply
    155,003.82x = 232,289.20 × 83,772.90
  4. Step 4: Simplify right side
    155,003.82x = 19,459,539,922.68
  5. Step 5: Solve for x
    x = 19,459,539,922.68/155,003.82
  6. Step 6: Final answer
    x = 125,542.32

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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.