Home / 305,433.06-458,215.40-92,183.12

Finding the Fourth Proportional to 305,433.06, 458,215.40 and 92,183.12

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Solution

The fourth proportional to 305,433.06, 458,215.40 and 92,183.12 is: 138,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,433.06 : 458,215.40 = 92,183.12 : x
  2. Step 2: Convert to fraction form
    305,433.06/458,215.40 = 92,183.12/x
  3. Step 3: Cross multiply
    305,433.06x = 458,215.40 × 92,183.12
  4. Step 4: Simplify right side
    305,433.06x = 42,239,725,204.05
  5. Step 5: Solve for x
    x = 42,239,725,204.05/305,433.06
  6. Step 6: Final answer
    x = 138,294.54

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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.