Home / 220,450.48-304,222.38-124,963.60

Finding the Fourth Proportional to 220,450.48, 304,222.38 and 124,963.60

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Solution

The fourth proportional to 220,450.48, 304,222.38 and 124,963.60 is: 172,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,450.48 : 304,222.38 = 124,963.60 : x
  2. Step 2: Convert to fraction form
    220,450.48/304,222.38 = 124,963.60/x
  3. Step 3: Cross multiply
    220,450.48x = 304,222.38 × 124,963.60
  4. Step 4: Simplify right side
    220,450.48x = 38,016,723,805.37
  5. Step 5: Solve for x
    x = 38,016,723,805.37/220,450.48
  6. Step 6: Final answer
    x = 172,450.17

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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.