Home / 236,101.64-325,816.02-128,672.55

Finding the Fourth Proportional to 236,101.64, 325,816.02 and 128,672.55

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Solution

The fourth proportional to 236,101.64, 325,816.02 and 128,672.55 is: 177,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,101.64 : 325,816.02 = 128,672.55 : x
  2. Step 2: Convert to fraction form
    236,101.64/325,816.02 = 128,672.55/x
  3. Step 3: Cross multiply
    236,101.64x = 325,816.02 × 128,672.55
  4. Step 4: Simplify right side
    236,101.64x = 41,923,578,124.25
  5. Step 5: Solve for x
    x = 41,923,578,124.25/236,101.64
  6. Step 6: Final answer
    x = 177,565.81

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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.