Home / 133,024.65-199,546.58-80,320.65

Finding the Fourth Proportional to 133,024.65, 199,546.58 and 80,320.65

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Solution

The fourth proportional to 133,024.65, 199,546.58 and 80,320.65 is: 120,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,024.65 : 199,546.58 = 80,320.65 : x
  2. Step 2: Convert to fraction form
    133,024.65/199,546.58 = 80,320.65/x
  3. Step 3: Cross multiply
    133,024.65x = 199,546.58 × 80,320.65
  4. Step 4: Simplify right side
    133,024.65x = 16,027,710,609.27
  5. Step 5: Solve for x
    x = 16,027,710,609.27/133,024.65
  6. Step 6: Final answer
    x = 120,486.77

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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.