Home / 328,925.52-453,921.01-192,961.79

Finding the Fourth Proportional to 328,925.52, 453,921.01 and 192,961.79

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Solution

The fourth proportional to 328,925.52, 453,921.01 and 192,961.79 is: 266,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,925.52 : 453,921.01 = 192,961.79 : x
  2. Step 2: Convert to fraction form
    328,925.52/453,921.01 = 192,961.79/x
  3. Step 3: Cross multiply
    328,925.52x = 453,921.01 × 192,961.79
  4. Step 4: Simplify right side
    328,925.52x = 87,589,407,373.79
  5. Step 5: Solve for x
    x = 87,589,407,373.79/328,925.52
  6. Step 6: Final answer
    x = 266,289.49

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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.