Home / 193,317.50-266,777.60-107,289.48

Finding the Fourth Proportional to 193,317.50, 266,777.60 and 107,289.48

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Solution

The fourth proportional to 193,317.50, 266,777.60 and 107,289.48 is: 148,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,317.50 : 266,777.60 = 107,289.48 : x
  2. Step 2: Convert to fraction form
    193,317.50/266,777.60 = 107,289.48/x
  3. Step 3: Cross multiply
    193,317.50x = 266,777.60 × 107,289.48
  4. Step 4: Simplify right side
    193,317.50x = 28,622,429,979.65
  5. Step 5: Solve for x
    x = 28,622,429,979.65/193,317.50
  6. Step 6: Final answer
    x = 148,059.18

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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.