Home / 99,226.72-148,684.50-84,374.56

Finding the Fourth Proportional to 99,226.72, 148,684.50 and 84,374.56

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Solution

The fourth proportional to 99,226.72, 148,684.50 and 84,374.56 is: 126,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,226.72 : 148,684.50 = 84,374.56 : x
  2. Step 2: Convert to fraction form
    99,226.72/148,684.50 = 84,374.56/x
  3. Step 3: Cross multiply
    99,226.72x = 148,684.50 × 84,374.56
  4. Step 4: Simplify right side
    99,226.72x = 12,545,189,266.32
  5. Step 5: Solve for x
    x = 12,545,189,266.32/99,226.72
  6. Step 6: Final answer
    x = 126,429.55

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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.