Home / 118,876.14-164,050.92-71,131.50

Finding the Fourth Proportional to 118,876.14, 164,050.92 and 71,131.50

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Solution

The fourth proportional to 118,876.14, 164,050.92 and 71,131.50 is: 98,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,876.14 : 164,050.92 = 71,131.50 : x
  2. Step 2: Convert to fraction form
    118,876.14/164,050.92 = 71,131.50/x
  3. Step 3: Cross multiply
    118,876.14x = 164,050.92 × 71,131.50
  4. Step 4: Simplify right side
    118,876.14x = 11,669,188,015.98
  5. Step 5: Solve for x
    x = 11,669,188,015.98/118,876.14
  6. Step 6: Final answer
    x = 98,162.58

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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.