Home / 258,262.72-387,379.04-116,071.36

Finding the Fourth Proportional to 258,262.72, 387,379.04 and 116,071.36

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Solution

The fourth proportional to 258,262.72, 387,379.04 and 116,071.36 is: 174,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,262.72 : 387,379.04 = 116,071.36 : x
  2. Step 2: Convert to fraction form
    258,262.72/387,379.04 = 116,071.36/x
  3. Step 3: Cross multiply
    258,262.72x = 387,379.04 × 116,071.36
  4. Step 4: Simplify right side
    258,262.72x = 44,963,612,008.29
  5. Step 5: Solve for x
    x = 44,963,612,008.29/258,262.72
  6. Step 6: Final answer
    x = 174,100.28

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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.