Home / 201,864.80-303,453.30-172,996.40

Finding the Fourth Proportional to 201,864.80, 303,453.30 and 172,996.40

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Solution

The fourth proportional to 201,864.80, 303,453.30 and 172,996.40 is: 260,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,864.80 : 303,453.30 = 172,996.40 : x
  2. Step 2: Convert to fraction form
    201,864.80/303,453.30 = 172,996.40/x
  3. Step 3: Cross multiply
    201,864.80x = 303,453.30 × 172,996.40
  4. Step 4: Simplify right side
    201,864.80x = 52,496,328,468.12
  5. Step 5: Solve for x
    x = 52,496,328,468.12/201,864.80
  6. Step 6: Final answer
    x = 260,056.87

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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.