Home / 330,798.36-456,491.06-187,571.16

Finding the Fourth Proportional to 330,798.36, 456,491.06 and 187,571.16

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Solution

The fourth proportional to 330,798.36, 456,491.06 and 187,571.16 is: 258,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,798.36 : 456,491.06 = 187,571.16 : x
  2. Step 2: Convert to fraction form
    330,798.36/456,491.06 = 187,571.16/x
  3. Step 3: Cross multiply
    330,798.36x = 456,491.06 × 187,571.16
  4. Step 4: Simplify right side
    330,798.36x = 85,624,557,653.83
  5. Step 5: Solve for x
    x = 85,624,557,653.83/330,798.36
  6. Step 6: Final answer
    x = 258,842.15

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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.