Home / 118,824.58-163,977.96-65,109.16

Finding the Fourth Proportional to 118,824.58, 163,977.96 and 65,109.16

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Solution

The fourth proportional to 118,824.58, 163,977.96 and 65,109.16 is: 89,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,824.58 : 163,977.96 = 65,109.16 : x
  2. Step 2: Convert to fraction form
    118,824.58/163,977.96 = 65,109.16/x
  3. Step 3: Cross multiply
    118,824.58x = 163,977.96 × 65,109.16
  4. Step 4: Simplify right side
    118,824.58x = 10,676,467,234.11
  5. Step 5: Solve for x
    x = 10,676,467,234.11/118,824.58
  6. Step 6: Final answer
    x = 89,850.66

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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.