Home / 352,436.38-486,349.16-191,287.96

Finding the Fourth Proportional to 352,436.38, 486,349.16 and 191,287.96

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Solution

The fourth proportional to 352,436.38, 486,349.16 and 191,287.96 is: 263,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,436.38 : 486,349.16 = 191,287.96 : x
  2. Step 2: Convert to fraction form
    352,436.38/486,349.16 = 191,287.96/x
  3. Step 3: Cross multiply
    352,436.38x = 486,349.16 × 191,287.96
  4. Step 4: Simplify right side
    352,436.38x = 93,032,738,664.11
  5. Step 5: Solve for x
    x = 93,032,738,664.11/352,436.38
  6. Step 6: Final answer
    x = 263,970.30

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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.