Home / 202,799.80-303,985.18-76,385.35

Finding the Fourth Proportional to 202,799.80, 303,985.18 and 76,385.35

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Solution

The fourth proportional to 202,799.80, 303,985.18 and 76,385.35 is: 114,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,799.80 : 303,985.18 = 76,385.35 : x
  2. Step 2: Convert to fraction form
    202,799.80/303,985.18 = 76,385.35/x
  3. Step 3: Cross multiply
    202,799.80x = 303,985.18 × 76,385.35
  4. Step 4: Simplify right side
    202,799.80x = 23,220,012,467.26
  5. Step 5: Solve for x
    x = 23,220,012,467.26/202,799.80
  6. Step 6: Final answer
    x = 114,497.22

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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.