Home / 356,153.18-491,491.32-195,008.20

Finding the Fourth Proportional to 356,153.18, 491,491.32 and 195,008.20

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Solution

The fourth proportional to 356,153.18, 491,491.32 and 195,008.20 is: 269,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,153.18 : 491,491.32 = 195,008.20 : x
  2. Step 2: Convert to fraction form
    356,153.18/491,491.32 = 195,008.20/x
  3. Step 3: Cross multiply
    356,153.18x = 491,491.32 × 195,008.20
  4. Step 4: Simplify right side
    356,153.18x = 95,844,835,171.37
  5. Step 5: Solve for x
    x = 95,844,835,171.37/356,153.18
  6. Step 6: Final answer
    x = 269,111.28

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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.