Home / 328,837.77-453,871.94-192,915.38

Finding the Fourth Proportional to 328,837.77, 453,871.94 and 192,915.38

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Solution

The fourth proportional to 328,837.77, 453,871.94 and 192,915.38 is: 266,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,837.77 : 453,871.94 = 192,915.38 : x
  2. Step 2: Convert to fraction form
    328,837.77/453,871.94 = 192,915.38/x
  3. Step 3: Cross multiply
    328,837.77x = 453,871.94 × 192,915.38
  4. Step 4: Simplify right side
    328,837.77x = 87,558,875,507.08
  5. Step 5: Solve for x
    x = 87,558,875,507.08/328,837.77
  6. Step 6: Final answer
    x = 266,267.70

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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.