Home / 118,154.16-177,043.20-82,682.64

Finding the Fourth Proportional to 118,154.16, 177,043.20 and 82,682.64

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Solution

The fourth proportional to 118,154.16, 177,043.20 and 82,682.64 is: 123,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,154.16 : 177,043.20 = 82,682.64 : x
  2. Step 2: Convert to fraction form
    118,154.16/177,043.20 = 82,682.64/x
  3. Step 3: Cross multiply
    118,154.16x = 177,043.20 × 82,682.64
  4. Step 4: Simplify right side
    118,154.16x = 14,638,399,170.05
  5. Step 5: Solve for x
    x = 14,638,399,170.05/118,154.16
  6. Step 6: Final answer
    x = 123,892.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.