Home / 345,807.24-477,227.34-194,901

Finding the Fourth Proportional to 345,807.24, 477,227.34 and 194,901

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Solution

The fourth proportional to 345,807.24, 477,227.34 and 194,901 is: 268,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,807.24 : 477,227.34 = 194,901 : x
  2. Step 2: Convert to fraction form
    345,807.24/477,227.34 = 194,901/x
  3. Step 3: Cross multiply
    345,807.24x = 477,227.34 × 194,901
  4. Step 4: Simplify right side
    345,807.24x = 93,012,085,793.34
  5. Step 5: Solve for x
    x = 93,012,085,793.34/345,807.24
  6. Step 6: Final answer
    x = 268,970.90

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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.