Home / 118,170.53-163,077.26-64,455.54

Finding the Fourth Proportional to 118,170.53, 163,077.26 and 64,455.54

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Solution

The fourth proportional to 118,170.53, 163,077.26 and 64,455.54 is: 88,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,170.53 : 163,077.26 = 64,455.54 : x
  2. Step 2: Convert to fraction form
    118,170.53/163,077.26 = 64,455.54/x
  3. Step 3: Cross multiply
    118,170.53x = 163,077.26 × 64,455.54
  4. Step 4: Simplify right side
    118,170.53x = 10,511,232,855.02
  5. Step 5: Solve for x
    x = 10,511,232,855.02/118,170.53
  6. Step 6: Final answer
    x = 88,949.70

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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.