Home / 293,759.06-405,314.89-172,890.86

Finding the Fourth Proportional to 293,759.06, 405,314.89 and 172,890.86

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Solution

The fourth proportional to 293,759.06, 405,314.89 and 172,890.86 is: 238,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,759.06 : 405,314.89 = 172,890.86 : x
  2. Step 2: Convert to fraction form
    293,759.06/405,314.89 = 172,890.86/x
  3. Step 3: Cross multiply
    293,759.06x = 405,314.89 × 172,890.86
  4. Step 4: Simplify right side
    293,759.06x = 70,075,237,444.10
  5. Step 5: Solve for x
    x = 70,075,237,444.10/293,759.06
  6. Step 6: Final answer
    x = 238,546.65

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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.