Home / 356,289.24-491,679.36-195,144.24

Finding the Fourth Proportional to 356,289.24, 491,679.36 and 195,144.24

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Solution

The fourth proportional to 356,289.24, 491,679.36 and 195,144.24 is: 269,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,289.24 : 491,679.36 = 195,144.24 : x
  2. Step 2: Convert to fraction form
    356,289.24/491,679.36 = 195,144.24/x
  3. Step 3: Cross multiply
    356,289.24x = 491,679.36 × 195,144.24
  4. Step 4: Simplify right side
    356,289.24x = 95,948,395,030.89
  5. Step 5: Solve for x
    x = 95,948,395,030.89/356,289.24
  6. Step 6: Final answer
    x = 269,299.17

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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.