Home / 118,652.69-163,738.51-64,936.62

Finding the Fourth Proportional to 118,652.69, 163,738.51 and 64,936.62

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Solution

The fourth proportional to 118,652.69, 163,738.51 and 64,936.62 is: 89,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,652.69 : 163,738.51 = 64,936.62 : x
  2. Step 2: Convert to fraction form
    118,652.69/163,738.51 = 64,936.62/x
  3. Step 3: Cross multiply
    118,652.69x = 163,738.51 × 64,936.62
  4. Step 4: Simplify right side
    118,652.69x = 10,632,625,403.24
  5. Step 5: Solve for x
    x = 10,632,625,403.24/118,652.69
  6. Step 6: Final answer
    x = 89,611.33

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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.