Home / 201,076.07-301,613.84-51,316.36

Finding the Fourth Proportional to 201,076.07, 301,613.84 and 51,316.36

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Solution

The fourth proportional to 201,076.07, 301,613.84 and 51,316.36 is: 76,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,076.07 : 301,613.84 = 51,316.36 : x
  2. Step 2: Convert to fraction form
    201,076.07/301,613.84 = 51,316.36/x
  3. Step 3: Cross multiply
    201,076.07x = 301,613.84 × 51,316.36
  4. Step 4: Simplify right side
    201,076.07x = 15,477,724,394.42
  5. Step 5: Solve for x
    x = 15,477,724,394.42/201,076.07
  6. Step 6: Final answer
    x = 76,974.47

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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.