Home / 251,750.73-347,449.19-151,155.21

Finding the Fourth Proportional to 251,750.73, 347,449.19 and 151,155.21

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Solution

The fourth proportional to 251,750.73, 347,449.19 and 151,155.21 is: 208,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,750.73 : 347,449.19 = 151,155.21 : x
  2. Step 2: Convert to fraction form
    251,750.73/347,449.19 = 151,155.21/x
  3. Step 3: Cross multiply
    251,750.73x = 347,449.19 × 151,155.21
  4. Step 4: Simplify right side
    251,750.73x = 52,518,755,278.78
  5. Step 5: Solve for x
    x = 52,518,755,278.78/251,750.73
  6. Step 6: Final answer
    x = 208,614.11

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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.