Home / 250,690.08-345,896.35-148,663.70

Finding the Fourth Proportional to 250,690.08, 345,896.35 and 148,663.70

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Solution

The fourth proportional to 250,690.08, 345,896.35 and 148,663.70 is: 205,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,690.08 : 345,896.35 = 148,663.70 : x
  2. Step 2: Convert to fraction form
    250,690.08/345,896.35 = 148,663.70/x
  3. Step 3: Cross multiply
    250,690.08x = 345,896.35 × 148,663.70
  4. Step 4: Simplify right side
    250,690.08x = 51,422,229,106.35
  5. Step 5: Solve for x
    x = 51,422,229,106.35/250,690.08
  6. Step 6: Final answer
    x = 205,122.71

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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.