Home / 250,157.42-375,306.27-100,502.79

Finding the Fourth Proportional to 250,157.42, 375,306.27 and 100,502.79

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Solution

The fourth proportional to 250,157.42, 375,306.27 and 100,502.79 is: 150,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,157.42 : 375,306.27 = 100,502.79 : x
  2. Step 2: Convert to fraction form
    250,157.42/375,306.27 = 100,502.79/x
  3. Step 3: Cross multiply
    250,157.42x = 375,306.27 × 100,502.79
  4. Step 4: Simplify right side
    250,157.42x = 37,719,327,239.49
  5. Step 5: Solve for x
    x = 37,719,327,239.49/250,157.42
  6. Step 6: Final answer
    x = 150,782.37

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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.