Home / 118,970.88-164,180.08-68,669.84

Finding the Fourth Proportional to 118,970.88, 164,180.08 and 68,669.84

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Solution

The fourth proportional to 118,970.88, 164,180.08 and 68,669.84 is: 94,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,970.88 : 164,180.08 = 68,669.84 : x
  2. Step 2: Convert to fraction form
    118,970.88/164,180.08 = 68,669.84/x
  3. Step 3: Cross multiply
    118,970.88x = 164,180.08 × 68,669.84
  4. Step 4: Simplify right side
    118,970.88x = 11,274,219,824.79
  5. Step 5: Solve for x
    x = 11,274,219,824.79/118,970.88
  6. Step 6: Final answer
    x = 94,764.53

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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.