Home / 148,885.12-223,360.44-82,422.16

Finding the Fourth Proportional to 148,885.12, 223,360.44 and 82,422.16

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Solution

The fourth proportional to 148,885.12, 223,360.44 and 82,422.16 is: 123,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,885.12 : 223,360.44 = 82,422.16 : x
  2. Step 2: Convert to fraction form
    148,885.12/223,360.44 = 82,422.16/x
  3. Step 3: Cross multiply
    148,885.12x = 223,360.44 × 82,422.16
  4. Step 4: Simplify right side
    148,885.12x = 18,409,849,923.35
  5. Step 5: Solve for x
    x = 18,409,849,923.35/148,885.12
  6. Step 6: Final answer
    x = 123,651.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.