Home / 335,748.90-503,234.55-135,938.10

Finding the Fourth Proportional to 335,748.90, 503,234.55 and 135,938.10

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Solution

The fourth proportional to 335,748.90, 503,234.55 and 135,938.10 is: 203,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,748.90 : 503,234.55 = 135,938.10 : x
  2. Step 2: Convert to fraction form
    335,748.90/503,234.55 = 135,938.10/x
  3. Step 3: Cross multiply
    335,748.90x = 503,234.55 × 135,938.10
  4. Step 4: Simplify right side
    335,748.90x = 68,408,748,581.36
  5. Step 5: Solve for x
    x = 68,408,748,581.36/335,748.90
  6. Step 6: Final answer
    x = 203,749.73

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1.5x scale

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.