Home / 328,929.36-453,919.05-192,937.25

Finding the Fourth Proportional to 328,929.36, 453,919.05 and 192,937.25

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Solution

The fourth proportional to 328,929.36, 453,919.05 and 192,937.25 is: 266,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,929.36 : 453,919.05 = 192,937.25 : x
  2. Step 2: Convert to fraction form
    328,929.36/453,919.05 = 192,937.25/x
  3. Step 3: Cross multiply
    328,929.36x = 453,919.05 × 192,937.25
  4. Step 4: Simplify right side
    328,929.36x = 87,577,890,960.02
  5. Step 5: Solve for x
    x = 87,577,890,960.02/328,929.36
  6. Step 6: Final answer
    x = 266,251.36

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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.