Home / 163,856.30-245,640.45-111,094.70

Finding the Fourth Proportional to 163,856.30, 245,640.45 and 111,094.70

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Solution

The fourth proportional to 163,856.30, 245,640.45 and 111,094.70 is: 166,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,856.30 : 245,640.45 = 111,094.70 : x
  2. Step 2: Convert to fraction form
    163,856.30/245,640.45 = 111,094.70/x
  3. Step 3: Cross multiply
    163,856.30x = 245,640.45 × 111,094.70
  4. Step 4: Simplify right side
    163,856.30x = 27,289,352,100.62
  5. Step 5: Solve for x
    x = 27,289,352,100.62/163,856.30
  6. Step 6: Final answer
    x = 166,544.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.