Home / 236,089.64-325,803.75-128,659.70

Finding the Fourth Proportional to 236,089.64, 325,803.75 and 128,659.70

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Solution

The fourth proportional to 236,089.64, 325,803.75 and 128,659.70 is: 177,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,089.64 : 325,803.75 = 128,659.70 : x
  2. Step 2: Convert to fraction form
    236,089.64/325,803.75 = 128,659.70/x
  3. Step 3: Cross multiply
    236,089.64x = 325,803.75 × 128,659.70
  4. Step 4: Simplify right side
    236,089.64x = 41,917,811,104.86
  5. Step 5: Solve for x
    x = 41,917,811,104.86/236,089.64
  6. Step 6: Final answer
    x = 177,550.41

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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.