Home / 136,522.54-204,876.05-47,776.80

Finding the Fourth Proportional to 136,522.54, 204,876.05 and 47,776.80

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Solution

The fourth proportional to 136,522.54, 204,876.05 and 47,776.80 is: 71,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,522.54 : 204,876.05 = 47,776.80 : x
  2. Step 2: Convert to fraction form
    136,522.54/204,876.05 = 47,776.80/x
  3. Step 3: Cross multiply
    136,522.54x = 204,876.05 × 47,776.80
  4. Step 4: Simplify right side
    136,522.54x = 9,788,322,065.64
  5. Step 5: Solve for x
    x = 9,788,322,065.64/136,522.54
  6. Step 6: Final answer
    x = 71,697.48

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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.