Home / 330,550.70-456,242.91-187,396.16

Finding the Fourth Proportional to 330,550.70, 456,242.91 and 187,396.16

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Solution

The fourth proportional to 330,550.70, 456,242.91 and 187,396.16 is: 258,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,550.70 : 456,242.91 = 187,396.16 : x
  2. Step 2: Convert to fraction form
    330,550.70/456,242.91 = 187,396.16/x
  3. Step 3: Cross multiply
    330,550.70x = 456,242.91 × 187,396.16
  4. Step 4: Simplify right side
    330,550.70x = 85,498,169,361.23
  5. Step 5: Solve for x
    x = 85,498,169,361.23/330,550.70
  6. Step 6: Final answer
    x = 258,653.72

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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.