Home / 118,879.07-164,069.91-73,571.63

Finding the Fourth Proportional to 118,879.07, 164,069.91 and 73,571.63

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Solution

The fourth proportional to 118,879.07, 164,069.91 and 73,571.63 is: 101,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,879.07 : 164,069.91 = 73,571.63 : x
  2. Step 2: Convert to fraction form
    118,879.07/164,069.91 = 73,571.63/x
  3. Step 3: Cross multiply
    118,879.07x = 164,069.91 × 73,571.63
  4. Step 4: Simplify right side
    118,879.07x = 12,070,889,892.30
  5. Step 5: Solve for x
    x = 12,070,889,892.30/118,879.07
  6. Step 6: Final answer
    x = 101,539.24

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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.