Home / 157,665.07-236,571.41-68,907.04

Finding the Fourth Proportional to 157,665.07, 236,571.41 and 68,907.04

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Solution

The fourth proportional to 157,665.07, 236,571.41 and 68,907.04 is: 103,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,665.07 : 236,571.41 = 68,907.04 : x
  2. Step 2: Convert to fraction form
    157,665.07/236,571.41 = 68,907.04/x
  3. Step 3: Cross multiply
    157,665.07x = 236,571.41 × 68,907.04
  4. Step 4: Simplify right side
    157,665.07x = 16,301,434,998.76
  5. Step 5: Solve for x
    x = 16,301,434,998.76/157,665.07
  6. Step 6: Final answer
    x = 103,392.82

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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.