Home / 220,608.11-304,505.75-190,714.56

Finding the Fourth Proportional to 220,608.11, 304,505.75 and 190,714.56

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Solution

The fourth proportional to 220,608.11, 304,505.75 and 190,714.56 is: 263,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,608.11 : 304,505.75 = 190,714.56 : x
  2. Step 2: Convert to fraction form
    220,608.11/304,505.75 = 190,714.56/x
  3. Step 3: Cross multiply
    220,608.11x = 304,505.75 × 190,714.56
  4. Step 4: Simplify right side
    220,608.11x = 58,073,680,605.51
  5. Step 5: Solve for x
    x = 58,073,680,605.51/220,608.11
  6. Step 6: Final answer
    x = 263,243.63

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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.