Home / 201,372.16-302,051.76-68,251.36

Finding the Fourth Proportional to 201,372.16, 302,051.76 and 68,251.36

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Solution

The fourth proportional to 201,372.16, 302,051.76 and 68,251.36 is: 102,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,372.16 : 302,051.76 = 68,251.36 : x
  2. Step 2: Convert to fraction form
    201,372.16/302,051.76 = 68,251.36/x
  3. Step 3: Cross multiply
    201,372.16x = 302,051.76 × 68,251.36
  4. Step 4: Simplify right side
    201,372.16x = 20,615,443,410.39
  5. Step 5: Solve for x
    x = 20,615,443,410.39/201,372.16
  6. Step 6: Final answer
    x = 102,374.84

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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.