Home / 345,789.30-477,191.95-192,837.36

Finding the Fourth Proportional to 345,789.30, 477,191.95 and 192,837.36

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Solution

The fourth proportional to 345,789.30, 477,191.95 and 192,837.36 is: 266,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,789.30 : 477,191.95 = 192,837.36 : x
  2. Step 2: Convert to fraction form
    345,789.30/477,191.95 = 192,837.36/x
  3. Step 3: Cross multiply
    345,789.30x = 477,191.95 × 192,837.36
  4. Step 4: Simplify right side
    345,789.30x = 92,020,435,423.54
  5. Step 5: Solve for x
    x = 92,020,435,423.54/345,789.30
  6. Step 6: Final answer
    x = 266,117.07

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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.