Home / 118,596.20-163,661.44-64,880.58

Finding the Fourth Proportional to 118,596.20, 163,661.44 and 64,880.58

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Solution

The fourth proportional to 118,596.20, 163,661.44 and 64,880.58 is: 89,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,596.20 : 163,661.44 = 64,880.58 : x
  2. Step 2: Convert to fraction form
    118,596.20/163,661.44 = 64,880.58/x
  3. Step 3: Cross multiply
    118,596.20x = 163,661.44 × 64,880.58
  4. Step 4: Simplify right side
    118,596.20x = 10,618,449,150.84
  5. Step 5: Solve for x
    x = 10,618,449,150.84/118,596.20
  6. Step 6: Final answer
    x = 89,534.48

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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.