Home / 236,125.86-325,844.15-128,693.58

Finding the Fourth Proportional to 236,125.86, 325,844.15 and 128,693.58

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Solution

The fourth proportional to 236,125.86, 325,844.15 and 128,693.58 is: 177,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,125.86 : 325,844.15 = 128,693.58 : x
  2. Step 2: Convert to fraction form
    236,125.86/325,844.15 = 128,693.58/x
  3. Step 3: Cross multiply
    236,125.86x = 325,844.15 × 128,693.58
  4. Step 4: Simplify right side
    236,125.86x = 41,934,049,542.09
  5. Step 5: Solve for x
    x = 41,934,049,542.09/236,125.86
  6. Step 6: Final answer
    x = 177,591.94

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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.