Home / 352,155.50-528,274.33-127,621.70

Finding the Fourth Proportional to 352,155.50, 528,274.33 and 127,621.70

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Solution

The fourth proportional to 352,155.50, 528,274.33 and 127,621.70 is: 191,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,155.50 : 528,274.33 = 127,621.70 : x
  2. Step 2: Convert to fraction form
    352,155.50/528,274.33 = 127,621.70/x
  3. Step 3: Cross multiply
    352,155.50x = 528,274.33 × 127,621.70
  4. Step 4: Simplify right side
    352,155.50x = 67,419,268,060.96
  5. Step 5: Solve for x
    x = 67,419,268,060.96/352,155.50
  6. Step 6: Final answer
    x = 191,447.44

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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.