Home / 118,867.41-164,039.21-65,152.02

Finding the Fourth Proportional to 118,867.41, 164,039.21 and 65,152.02

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Solution

The fourth proportional to 118,867.41, 164,039.21 and 65,152.02 is: 89,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,867.41 : 164,039.21 = 65,152.02 : x
  2. Step 2: Convert to fraction form
    118,867.41/164,039.21 = 65,152.02/x
  3. Step 3: Cross multiply
    118,867.41x = 164,039.21 × 65,152.02
  4. Step 4: Simplify right side
    118,867.41x = 10,687,485,890.70
  5. Step 5: Solve for x
    x = 10,687,485,890.70/118,867.41
  6. Step 6: Final answer
    x = 89,910.98

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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.