Home / 118,997.29-164,188.10-67,315.58

Finding the Fourth Proportional to 118,997.29, 164,188.10 and 67,315.58

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Solution

The fourth proportional to 118,997.29, 164,188.10 and 67,315.58 is: 92,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,997.29 : 164,188.10 = 67,315.58 : x
  2. Step 2: Convert to fraction form
    118,997.29/164,188.10 = 67,315.58/x
  3. Step 3: Cross multiply
    118,997.29x = 164,188.10 × 67,315.58
  4. Step 4: Simplify right side
    118,997.29x = 11,052,417,180.60
  5. Step 5: Solve for x
    x = 11,052,417,180.60/118,997.29
  6. Step 6: Final answer
    x = 92,879.57

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1.5x scale

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.