Home / 118,257.74-163,194.41-64,542.32

Finding the Fourth Proportional to 118,257.74, 163,194.41 and 64,542.32

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Solution

The fourth proportional to 118,257.74, 163,194.41 and 64,542.32 is: 89,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,257.74 : 163,194.41 = 64,542.32 : x
  2. Step 2: Convert to fraction form
    118,257.74/163,194.41 = 64,542.32/x
  3. Step 3: Cross multiply
    118,257.74x = 163,194.41 × 64,542.32
  4. Step 4: Simplify right side
    118,257.74x = 10,532,945,509.72
  5. Step 5: Solve for x
    x = 10,532,945,509.72/118,257.74
  6. Step 6: Final answer
    x = 89,067.71

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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.