Home / 133,025.09-199,180.85-83,005.65

Finding the Fourth Proportional to 133,025.09, 199,180.85 and 83,005.65

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Solution

The fourth proportional to 133,025.09, 199,180.85 and 83,005.65 is: 124,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.09 : 199,180.85 = 83,005.65 : x
  2. Step 2: Convert to fraction form
    133,025.09/199,180.85 = 83,005.65/x
  3. Step 3: Cross multiply
    133,025.09x = 199,180.85 × 83,005.65
  4. Step 4: Simplify right side
    133,025.09x = 16,533,135,506.77
  5. Step 5: Solve for x
    x = 16,533,135,506.77/133,025.09
  6. Step 6: Final answer
    x = 124,285.85

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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.