Home / 202,748.21-304,090.35-67,811.25

Finding the Fourth Proportional to 202,748.21, 304,090.35 and 67,811.25

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Solution

The fourth proportional to 202,748.21, 304,090.35 and 67,811.25 is: 101,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,748.21 : 304,090.35 = 67,811.25 : x
  2. Step 2: Convert to fraction form
    202,748.21/304,090.35 = 67,811.25/x
  3. Step 3: Cross multiply
    202,748.21x = 304,090.35 × 67,811.25
  4. Step 4: Simplify right side
    202,748.21x = 20,620,746,746.44
  5. Step 5: Solve for x
    x = 20,620,746,746.44/202,748.21
  6. Step 6: Final answer
    x = 101,706.19

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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.