Home / 168,086.10-251,783.55-115,554.90

Finding the Fourth Proportional to 168,086.10, 251,783.55 and 115,554.90

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Solution

The fourth proportional to 168,086.10, 251,783.55 and 115,554.90 is: 173,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,086.10 : 251,783.55 = 115,554.90 : x
  2. Step 2: Convert to fraction form
    168,086.10/251,783.55 = 115,554.90/x
  3. Step 3: Cross multiply
    168,086.10x = 251,783.55 × 115,554.90
  4. Step 4: Simplify right side
    168,086.10x = 29,094,822,941.90
  5. Step 5: Solve for x
    x = 29,094,822,941.90/168,086.10
  6. Step 6: Final answer
    x = 173,094.76

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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.