Home / 328,919.67-453,920.04-201,570.66

Finding the Fourth Proportional to 328,919.67, 453,920.04 and 201,570.66

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Solution

The fourth proportional to 328,919.67, 453,920.04 and 201,570.66 is: 278,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,919.67 : 453,920.04 = 201,570.66 : x
  2. Step 2: Convert to fraction form
    328,919.67/453,920.04 = 201,570.66/x
  3. Step 3: Cross multiply
    328,919.67x = 453,920.04 × 201,570.66
  4. Step 4: Simplify right side
    328,919.67x = 91,496,962,050.03
  5. Step 5: Solve for x
    x = 91,496,962,050.03/328,919.67
  6. Step 6: Final answer
    x = 278,174.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.