Home / 352,405.05-486,319.32-191,260.19

Finding the Fourth Proportional to 352,405.05, 486,319.32 and 191,260.19

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Solution

The fourth proportional to 352,405.05, 486,319.32 and 191,260.19 is: 263,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,405.05 : 486,319.32 = 191,260.19 : x
  2. Step 2: Convert to fraction form
    352,405.05/486,319.32 = 191,260.19/x
  3. Step 3: Cross multiply
    352,405.05x = 486,319.32 × 191,260.19
  4. Step 4: Simplify right side
    352,405.05x = 93,013,523,112.27
  5. Step 5: Solve for x
    x = 93,013,523,112.27/352,405.05
  6. Step 6: Final answer
    x = 263,939.25

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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.