Home / 258,905.12-357,399.62-174,071.38

Finding the Fourth Proportional to 258,905.12, 357,399.62 and 174,071.38

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Solution

The fourth proportional to 258,905.12, 357,399.62 and 174,071.38 is: 240,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,905.12 : 357,399.62 = 174,071.38 : x
  2. Step 2: Convert to fraction form
    258,905.12/357,399.62 = 174,071.38/x
  3. Step 3: Cross multiply
    258,905.12x = 357,399.62 × 174,071.38
  4. Step 4: Simplify right side
    258,905.12x = 62,213,045,064.88
  5. Step 5: Solve for x
    x = 62,213,045,064.88/258,905.12
  6. Step 6: Final answer
    x = 240,292.83

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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.