Home / 136,453.06-204,638.28-47,690.02

Finding the Fourth Proportional to 136,453.06, 204,638.28 and 47,690.02

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Solution

The fourth proportional to 136,453.06, 204,638.28 and 47,690.02 is: 71,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,453.06 : 204,638.28 = 47,690.02 : x
  2. Step 2: Convert to fraction form
    136,453.06/204,638.28 = 47,690.02/x
  3. Step 3: Cross multiply
    136,453.06x = 204,638.28 × 47,690.02
  4. Step 4: Simplify right side
    136,453.06x = 9,759,203,665.97
  5. Step 5: Solve for x
    x = 9,759,203,665.97/136,453.06
  6. Step 6: Final answer
    x = 71,520.59

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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.