Home / 201,101.46-301,653-67,982.01

Finding the Fourth Proportional to 201,101.46, 301,653 and 67,982.01

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Solution

The fourth proportional to 201,101.46, 301,653 and 67,982.01 is: 101,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,101.46 : 301,653 = 67,982.01 : x
  2. Step 2: Convert to fraction form
    201,101.46/301,653 = 67,982.01/x
  3. Step 3: Cross multiply
    201,101.46x = 301,653 × 67,982.01
  4. Step 4: Simplify right side
    201,101.46x = 20,506,977,262.53
  5. Step 5: Solve for x
    x = 20,506,977,262.53/201,101.46
  6. Step 6: Final answer
    x = 101,973.29

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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.