Home / 99,234.37-148,518.91-81,464.05

Finding the Fourth Proportional to 99,234.37, 148,518.91 and 81,464.05

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Solution

The fourth proportional to 99,234.37, 148,518.91 and 81,464.05 is: 121,923.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.37 : 148,518.91 = 81,464.05 : x
  2. Step 2: Convert to fraction form
    99,234.37/148,518.91 = 81,464.05/x
  3. Step 3: Cross multiply
    99,234.37x = 148,518.91 × 81,464.05
  4. Step 4: Simplify right side
    99,234.37x = 12,098,951,910.19
  5. Step 5: Solve for x
    x = 12,098,951,910.19/99,234.37
  6. Step 6: Final answer
    x = 121,923.00

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1.5x scale

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.