Home / 204,074.40-305,856.45-104,274.30

Finding the Fourth Proportional to 204,074.40, 305,856.45 and 104,274.30

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Solution

The fourth proportional to 204,074.40, 305,856.45 and 104,274.30 is: 156,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,074.40 : 305,856.45 = 104,274.30 : x
  2. Step 2: Convert to fraction form
    204,074.40/305,856.45 = 104,274.30/x
  3. Step 3: Cross multiply
    204,074.40x = 305,856.45 × 104,274.30
  4. Step 4: Simplify right side
    204,074.40x = 31,892,967,224.24
  5. Step 5: Solve for x
    x = 31,892,967,224.24/204,074.40
  6. Step 6: Final answer
    x = 156,281.08

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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.