Home / 236,214.48-325,977.89-128,785.29

Finding the Fourth Proportional to 236,214.48, 325,977.89 and 128,785.29

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Solution

The fourth proportional to 236,214.48, 325,977.89 and 128,785.29 is: 177,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,214.48 : 325,977.89 = 128,785.29 : x
  2. Step 2: Convert to fraction form
    236,214.48/325,977.89 = 128,785.29/x
  3. Step 3: Cross multiply
    236,214.48x = 325,977.89 × 128,785.29
  4. Step 4: Simplify right side
    236,214.48x = 41,981,157,097.24
  5. Step 5: Solve for x
    x = 41,981,157,097.24/236,214.48
  6. Step 6: Final answer
    x = 177,724.74

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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.