Home / 99,181.12-148,584.08-76,885.24

Finding the Fourth Proportional to 99,181.12, 148,584.08 and 76,885.24

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Solution

The fourth proportional to 99,181.12, 148,584.08 and 76,885.24 is: 115,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,181.12 : 148,584.08 = 76,885.24 : x
  2. Step 2: Convert to fraction form
    99,181.12/148,584.08 = 76,885.24/x
  3. Step 3: Cross multiply
    99,181.12x = 148,584.08 × 76,885.24
  4. Step 4: Simplify right side
    99,181.12x = 11,423,922,650.98
  5. Step 5: Solve for x
    x = 11,423,922,650.98/99,181.12
  6. Step 6: Final answer
    x = 115,182.43

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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.