Home / 228,983.40-343,475.10-192,241.80

Finding the Fourth Proportional to 228,983.40, 343,475.10 and 192,241.80

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Solution

The fourth proportional to 228,983.40, 343,475.10 and 192,241.80 is: 288,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,983.40 : 343,475.10 = 192,241.80 : x
  2. Step 2: Convert to fraction form
    228,983.40/343,475.10 = 192,241.80/x
  3. Step 3: Cross multiply
    228,983.40x = 343,475.10 × 192,241.80
  4. Step 4: Simplify right side
    228,983.40x = 66,030,271,479.18
  5. Step 5: Solve for x
    x = 66,030,271,479.18/228,983.40
  6. Step 6: Final answer
    x = 288,362.70

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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.