Home / 238,664.24-357,772.80-80,782.16

Finding the Fourth Proportional to 238,664.24, 357,772.80 and 80,782.16

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Solution

The fourth proportional to 238,664.24, 357,772.80 and 80,782.16 is: 121,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,664.24 : 357,772.80 = 80,782.16 : x
  2. Step 2: Convert to fraction form
    238,664.24/357,772.80 = 80,782.16/x
  3. Step 3: Cross multiply
    238,664.24x = 357,772.80 × 80,782.16
  4. Step 4: Simplify right side
    238,664.24x = 28,901,659,573.25
  5. Step 5: Solve for x
    x = 28,901,659,573.25/238,664.24
  6. Step 6: Final answer
    x = 121,097.57

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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.