Home / 236,940.13-355,410.20-70,728.13

Finding the Fourth Proportional to 236,940.13, 355,410.20 and 70,728.13

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Solution

The fourth proportional to 236,940.13, 355,410.20 and 70,728.13 is: 106,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,940.13 : 355,410.20 = 70,728.13 : x
  2. Step 2: Convert to fraction form
    236,940.13/355,410.20 = 70,728.13/x
  3. Step 3: Cross multiply
    236,940.13x = 355,410.20 × 70,728.13
  4. Step 4: Simplify right side
    236,940.13x = 25,137,498,828.93
  5. Step 5: Solve for x
    x = 25,137,498,828.93/236,940.13
  6. Step 6: Final answer
    x = 106,092.20

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1.5x scale

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.