Home / 258,623.53-356,846.99-151,172.78

Finding the Fourth Proportional to 258,623.53, 356,846.99 and 151,172.78

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Solution

The fourth proportional to 258,623.53, 356,846.99 and 151,172.78 is: 208,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,623.53 : 356,846.99 = 151,172.78 : x
  2. Step 2: Convert to fraction form
    258,623.53/356,846.99 = 151,172.78/x
  3. Step 3: Cross multiply
    258,623.53x = 356,846.99 × 151,172.78
  4. Step 4: Simplify right side
    258,623.53x = 53,945,550,106.63
  5. Step 5: Solve for x
    x = 53,945,550,106.63/258,623.53
  6. Step 6: Final answer
    x = 208,587.17

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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.