Home / 195,399.23-293,144.90-155,568.78

Finding the Fourth Proportional to 195,399.23, 293,144.90 and 155,568.78

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Solution

The fourth proportional to 195,399.23, 293,144.90 and 155,568.78 is: 233,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,399.23 : 293,144.90 = 155,568.78 : x
  2. Step 2: Convert to fraction form
    195,399.23/293,144.90 = 155,568.78/x
  3. Step 3: Cross multiply
    195,399.23x = 293,144.90 × 155,568.78
  4. Step 4: Simplify right side
    195,399.23x = 45,604,193,678.38
  5. Step 5: Solve for x
    x = 45,604,193,678.38/195,399.23
  6. Step 6: Final answer
    x = 233,389.84

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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.