Home / 236,219.60-325,983.24-128,789.84

Finding the Fourth Proportional to 236,219.60, 325,983.24 and 128,789.84

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Solution

The fourth proportional to 236,219.60, 325,983.24 and 128,789.84 is: 177,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,219.60 : 325,983.24 = 128,789.84 : x
  2. Step 2: Convert to fraction form
    236,219.60/325,983.24 = 128,789.84/x
  3. Step 3: Cross multiply
    236,219.60x = 325,983.24 × 128,789.84
  4. Step 4: Simplify right side
    236,219.60x = 41,983,329,322.28
  5. Step 5: Solve for x
    x = 41,983,329,322.28/236,219.60
  6. Step 6: Final answer
    x = 177,730.08

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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.