Home / 220,243.04-304,028.40-148,719.92

Finding the Fourth Proportional to 220,243.04, 304,028.40 and 148,719.92

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Solution

The fourth proportional to 220,243.04, 304,028.40 and 148,719.92 is: 205,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,243.04 : 304,028.40 = 148,719.92 : x
  2. Step 2: Convert to fraction form
    220,243.04/304,028.40 = 148,719.92/x
  3. Step 3: Cross multiply
    220,243.04x = 304,028.40 × 148,719.92
  4. Step 4: Simplify right side
    220,243.04x = 45,215,079,325.73
  5. Step 5: Solve for x
    x = 45,215,079,325.73/220,243.04
  6. Step 6: Final answer
    x = 205,296.29

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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.