Home / 118,948.44-164,137.30-71,200.74

Finding the Fourth Proportional to 118,948.44, 164,137.30 and 71,200.74

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Solution

The fourth proportional to 118,948.44, 164,137.30 and 71,200.74 is: 98,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,948.44 : 164,137.30 = 71,200.74 : x
  2. Step 2: Convert to fraction form
    118,948.44/164,137.30 = 71,200.74/x
  3. Step 3: Cross multiply
    118,948.44x = 164,137.30 × 71,200.74
  4. Step 4: Simplify right side
    118,948.44x = 11,686,697,221.60
  5. Step 5: Solve for x
    x = 11,686,697,221.60/118,948.44
  6. Step 6: Final answer
    x = 98,250.11

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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.