Home / 193,816.08-267,469.56-107,782.20

Finding the Fourth Proportional to 193,816.08, 267,469.56 and 107,782.20

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Solution

The fourth proportional to 193,816.08, 267,469.56 and 107,782.20 is: 148,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,816.08 : 267,469.56 = 107,782.20 : x
  2. Step 2: Convert to fraction form
    193,816.08/267,469.56 = 107,782.20/x
  3. Step 3: Cross multiply
    193,816.08x = 267,469.56 × 107,782.20
  4. Step 4: Simplify right side
    193,816.08x = 28,828,457,609.83
  5. Step 5: Solve for x
    x = 28,828,457,609.83/193,816.08
  6. Step 6: Final answer
    x = 148,741.31

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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.