Home / 118,512.21-163,546.83-64,797.21

Finding the Fourth Proportional to 118,512.21, 163,546.83 and 64,797.21

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Solution

The fourth proportional to 118,512.21, 163,546.83 and 64,797.21 is: 89,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,512.21 : 163,546.83 = 64,797.21 : x
  2. Step 2: Convert to fraction form
    118,512.21/163,546.83 = 64,797.21/x
  3. Step 3: Cross multiply
    118,512.21x = 163,546.83 × 64,797.21
  4. Step 4: Simplify right side
    118,512.21x = 10,597,378,288.34
  5. Step 5: Solve for x
    x = 10,597,378,288.34/118,512.21
  6. Step 6: Final answer
    x = 89,420.14

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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.