Home / 236,186.30-325,929.51-128,754.62

Finding the Fourth Proportional to 236,186.30, 325,929.51 and 128,754.62

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Solution

The fourth proportional to 236,186.30, 325,929.51 and 128,754.62 is: 177,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,186.30 : 325,929.51 = 128,754.62 : x
  2. Step 2: Convert to fraction form
    236,186.30/325,929.51 = 128,754.62/x
  3. Step 3: Cross multiply
    236,186.30x = 325,929.51 × 128,754.62
  4. Step 4: Simplify right side
    236,186.30x = 41,964,930,206.84
  5. Step 5: Solve for x
    x = 41,964,930,206.84/236,186.30
  6. Step 6: Final answer
    x = 177,677.24

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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.