Home / 325,623.27-488,505.08-100,979.19

Finding the Fourth Proportional to 325,623.27, 488,505.08 and 100,979.19

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Solution

The fourth proportional to 325,623.27, 488,505.08 and 100,979.19 is: 151,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,623.27 : 488,505.08 = 100,979.19 : x
  2. Step 2: Convert to fraction form
    325,623.27/488,505.08 = 100,979.19/x
  3. Step 3: Cross multiply
    325,623.27x = 488,505.08 × 100,979.19
  4. Step 4: Simplify right side
    325,623.27x = 49,328,847,289.29
  5. Step 5: Solve for x
    x = 49,328,847,289.29/325,623.27
  6. Step 6: Final answer
    x = 151,490.55

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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.