Home / 356,837.42-492,436.32-195,693.68

Finding the Fourth Proportional to 356,837.42, 492,436.32 and 195,693.68

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Solution

The fourth proportional to 356,837.42, 492,436.32 and 195,693.68 is: 270,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,837.42 : 492,436.32 = 195,693.68 : x
  2. Step 2: Convert to fraction form
    356,837.42/492,436.32 = 195,693.68/x
  3. Step 3: Cross multiply
    356,837.42x = 492,436.32 × 195,693.68
  4. Step 4: Simplify right side
    356,837.42x = 96,366,675,626.46
  5. Step 5: Solve for x
    x = 96,366,675,626.46/356,837.42
  6. Step 6: Final answer
    x = 270,057.65

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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.