Home / 140,693.42-194,025.76-130,243.65

Finding the Fourth Proportional to 140,693.42, 194,025.76 and 130,243.65

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Solution

The fourth proportional to 140,693.42, 194,025.76 and 130,243.65 is: 179,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,693.42 : 194,025.76 = 130,243.65 : x
  2. Step 2: Convert to fraction form
    140,693.42/194,025.76 = 130,243.65/x
  3. Step 3: Cross multiply
    140,693.42x = 194,025.76 × 130,243.65
  4. Step 4: Simplify right side
    140,693.42x = 25,270,622,855.84
  5. Step 5: Solve for x
    x = 25,270,622,855.84/140,693.42
  6. Step 6: Final answer
    x = 179,614.81

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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.