Home / 356,292.96-491,678.85-195,147.51

Finding the Fourth Proportional to 356,292.96, 491,678.85 and 195,147.51

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Solution

The fourth proportional to 356,292.96, 491,678.85 and 195,147.51 is: 269,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,292.96 : 491,678.85 = 195,147.51 : x
  2. Step 2: Convert to fraction form
    356,292.96/491,678.85 = 195,147.51/x
  3. Step 3: Cross multiply
    356,292.96x = 491,678.85 × 195,147.51
  4. Step 4: Simplify right side
    356,292.96x = 95,949,903,297.16
  5. Step 5: Solve for x
    x = 95,949,903,297.16/356,292.96
  6. Step 6: Final answer
    x = 269,300.59

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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.