Home / 111,640.20-167,460.30-107,703.60

Finding the Fourth Proportional to 111,640.20, 167,460.30 and 107,703.60

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Solution

The fourth proportional to 111,640.20, 167,460.30 and 107,703.60 is: 161,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,640.20 : 167,460.30 = 107,703.60 : x
  2. Step 2: Convert to fraction form
    111,640.20/167,460.30 = 107,703.60/x
  3. Step 3: Cross multiply
    111,640.20x = 167,460.30 × 107,703.60
  4. Step 4: Simplify right side
    111,640.20x = 18,036,077,167.08
  5. Step 5: Solve for x
    x = 18,036,077,167.08/111,640.20
  6. Step 6: Final answer
    x = 161,555.40

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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.