Home / 236,117.61-325,832.76-128,685.33

Finding the Fourth Proportional to 236,117.61, 325,832.76 and 128,685.33

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Solution

The fourth proportional to 236,117.61, 325,832.76 and 128,685.33 is: 177,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,117.61 : 325,832.76 = 128,685.33 : x
  2. Step 2: Convert to fraction form
    236,117.61/325,832.76 = 128,685.33/x
  3. Step 3: Cross multiply
    236,117.61x = 325,832.76 × 128,685.33
  4. Step 4: Simplify right side
    236,117.61x = 41,929,896,245.41
  5. Step 5: Solve for x
    x = 41,929,896,245.41/236,117.61
  6. Step 6: Final answer
    x = 177,580.56

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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.