Home / 155,104.30-214,177-150,088.78

Finding the Fourth Proportional to 155,104.30, 214,177 and 150,088.78

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Solution

The fourth proportional to 155,104.30, 214,177 and 150,088.78 is: 207,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,104.30 : 214,177 = 150,088.78 : x
  2. Step 2: Convert to fraction form
    155,104.30/214,177 = 150,088.78/x
  3. Step 3: Cross multiply
    155,104.30x = 214,177 × 150,088.78
  4. Step 4: Simplify right side
    155,104.30x = 32,145,564,634.06
  5. Step 5: Solve for x
    x = 32,145,564,634.06/155,104.30
  6. Step 6: Final answer
    x = 207,251.28

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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.