Home / 201,923.17-302,884.76-68,734.87

Finding the Fourth Proportional to 201,923.17, 302,884.76 and 68,734.87

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Solution

The fourth proportional to 201,923.17, 302,884.76 and 68,734.87 is: 103,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,923.17 : 302,884.76 = 68,734.87 : x
  2. Step 2: Convert to fraction form
    201,923.17/302,884.76 = 68,734.87/x
  3. Step 3: Cross multiply
    201,923.17x = 302,884.76 × 68,734.87
  4. Step 4: Simplify right side
    201,923.17x = 20,818,744,603.58
  5. Step 5: Solve for x
    x = 20,818,744,603.58/201,923.17
  6. Step 6: Final answer
    x = 103,102.31

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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.