Home / 305,438.24-458,184.29-113,314.90

Finding the Fourth Proportional to 305,438.24, 458,184.29 and 113,314.90

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Solution

The fourth proportional to 305,438.24, 458,184.29 and 113,314.90 is: 169,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,438.24 : 458,184.29 = 113,314.90 : x
  2. Step 2: Convert to fraction form
    305,438.24/458,184.29 = 113,314.90/x
  3. Step 3: Cross multiply
    305,438.24x = 458,184.29 × 113,314.90
  4. Step 4: Simplify right side
    305,438.24x = 51,919,105,616.51
  5. Step 5: Solve for x
    x = 51,919,105,616.51/305,438.24
  6. Step 6: Final answer
    x = 169,982.33

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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.