Home / 196,409.62-294,631.40-54,254.85

Finding the Fourth Proportional to 196,409.62, 294,631.40 and 54,254.85

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Solution

The fourth proportional to 196,409.62, 294,631.40 and 54,254.85 is: 81,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,409.62 : 294,631.40 = 54,254.85 : x
  2. Step 2: Convert to fraction form
    196,409.62/294,631.40 = 54,254.85/x
  3. Step 3: Cross multiply
    196,409.62x = 294,631.40 × 54,254.85
  4. Step 4: Simplify right side
    196,409.62x = 15,985,181,290.47
  5. Step 5: Solve for x
    x = 15,985,181,290.47/196,409.62
  6. Step 6: Final answer
    x = 81,386.96

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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.