Home / 227,088.72-313,382.52-131,650.74

Finding the Fourth Proportional to 227,088.72, 313,382.52 and 131,650.74

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Solution

The fourth proportional to 227,088.72, 313,382.52 and 131,650.74 is: 181,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,088.72 : 313,382.52 = 131,650.74 : x
  2. Step 2: Convert to fraction form
    227,088.72/313,382.52 = 131,650.74/x
  3. Step 3: Cross multiply
    227,088.72x = 313,382.52 × 131,650.74
  4. Step 4: Simplify right side
    227,088.72x = 41,257,040,661.06
  5. Step 5: Solve for x
    x = 41,257,040,661.06/227,088.72
  6. Step 6: Final answer
    x = 181,678.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.