Home / 236,215.18-325,972.56-128,786.14

Finding the Fourth Proportional to 236,215.18, 325,972.56 and 128,786.14

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Solution

The fourth proportional to 236,215.18, 325,972.56 and 128,786.14 is: 177,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,215.18 : 325,972.56 = 128,786.14 : x
  2. Step 2: Convert to fraction form
    236,215.18/325,972.56 = 128,786.14/x
  3. Step 3: Cross multiply
    236,215.18x = 325,972.56 × 128,786.14
  4. Step 4: Simplify right side
    236,215.18x = 41,980,747,748.32
  5. Step 5: Solve for x
    x = 41,980,747,748.32/236,215.18
  6. Step 6: Final answer
    x = 177,722.48

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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.