Home / 419,526.98-629,381.61-153,287.09

Finding the Fourth Proportional to 419,526.98, 629,381.61 and 153,287.09

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Solution

The fourth proportional to 419,526.98, 629,381.61 and 153,287.09 is: 229,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,526.98 : 629,381.61 = 153,287.09 : x
  2. Step 2: Convert to fraction form
    419,526.98/629,381.61 = 153,287.09/x
  3. Step 3: Cross multiply
    419,526.98x = 629,381.61 × 153,287.09
  4. Step 4: Simplify right side
    419,526.98x = 96,476,072,349.51
  5. Step 5: Solve for x
    x = 96,476,072,349.51/419,526.98
  6. Step 6: Final answer
    x = 229,963.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.