Home / 118,963.02-164,170.35-68,678.22

Finding the Fourth Proportional to 118,963.02, 164,170.35 and 68,678.22

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Solution

The fourth proportional to 118,963.02, 164,170.35 and 68,678.22 is: 94,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,963.02 : 164,170.35 = 68,678.22 : x
  2. Step 2: Convert to fraction form
    118,963.02/164,170.35 = 68,678.22/x
  3. Step 3: Cross multiply
    118,963.02x = 164,170.35 × 68,678.22
  4. Step 4: Simplify right side
    118,963.02x = 11,274,927,414.78
  5. Step 5: Solve for x
    x = 11,274,927,414.78/118,963.02
  6. Step 6: Final answer
    x = 94,776.74

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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.