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Finding the Fourth Proportional to 181,280.88, 250,235 and 155,684.48

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Solution

The fourth proportional to 181,280.88, 250,235 and 155,684.48 is: 214,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,280.88 : 250,235 = 155,684.48 : x
  2. Step 2: Convert to fraction form
    181,280.88/250,235 = 155,684.48/x
  3. Step 3: Cross multiply
    181,280.88x = 250,235 × 155,684.48
  4. Step 4: Simplify right side
    181,280.88x = 38,957,705,852.80
  5. Step 5: Solve for x
    x = 38,957,705,852.80/181,280.88
  6. Step 6: Final answer
    x = 214,902.45

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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.