Home / 236,041.89-325,728.67-128,612.73

Finding the Fourth Proportional to 236,041.89, 325,728.67 and 128,612.73

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Solution

The fourth proportional to 236,041.89, 325,728.67 and 128,612.73 is: 177,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,041.89 : 325,728.67 = 128,612.73 : x
  2. Step 2: Convert to fraction form
    236,041.89/325,728.67 = 128,612.73/x
  3. Step 3: Cross multiply
    236,041.89x = 325,728.67 × 128,612.73
  4. Step 4: Simplify right side
    236,041.89x = 41,892,853,487.97
  5. Step 5: Solve for x
    x = 41,892,853,487.97/236,041.89
  6. Step 6: Final answer
    x = 177,480.59

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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.