Home / 155,047.25-214,024.41-150,781.21

Finding the Fourth Proportional to 155,047.25, 214,024.41 and 150,781.21

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Solution

The fourth proportional to 155,047.25, 214,024.41 and 150,781.21 is: 208,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,047.25 : 214,024.41 = 150,781.21 : x
  2. Step 2: Convert to fraction form
    155,047.25/214,024.41 = 150,781.21/x
  3. Step 3: Cross multiply
    155,047.25x = 214,024.41 × 150,781.21
  4. Step 4: Simplify right side
    155,047.25x = 32,270,858,974.28
  5. Step 5: Solve for x
    x = 32,270,858,974.28/155,047.25
  6. Step 6: Final answer
    x = 208,135.64

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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.