Home / 220,577.44-304,233.76-139,935.36

Finding the Fourth Proportional to 220,577.44, 304,233.76 and 139,935.36

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Solution

The fourth proportional to 220,577.44, 304,233.76 and 139,935.36 is: 193,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,577.44 : 304,233.76 = 139,935.36 : x
  2. Step 2: Convert to fraction form
    220,577.44/304,233.76 = 139,935.36/x
  3. Step 3: Cross multiply
    220,577.44x = 304,233.76 × 139,935.36
  4. Step 4: Simplify right side
    220,577.44x = 42,573,060,729.75
  5. Step 5: Solve for x
    x = 42,573,060,729.75/220,577.44
  6. Step 6: Final answer
    x = 193,007.32

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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.