Home / 237,255.22-327,413.19-128,359.21

Finding the Fourth Proportional to 237,255.22, 327,413.19 and 128,359.21

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Solution

The fourth proportional to 237,255.22, 327,413.19 and 128,359.21 is: 177,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,255.22 : 327,413.19 = 128,359.21 : x
  2. Step 2: Convert to fraction form
    237,255.22/327,413.19 = 128,359.21/x
  3. Step 3: Cross multiply
    237,255.22x = 327,413.19 × 128,359.21
  4. Step 4: Simplify right side
    237,255.22x = 42,026,498,411.98
  5. Step 5: Solve for x
    x = 42,026,498,411.98/237,255.22
  6. Step 6: Final answer
    x = 177,136.24

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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.