Home / 188,247.08-259,730.34-111,702.62

Finding the Fourth Proportional to 188,247.08, 259,730.34 and 111,702.62

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Solution

The fourth proportional to 188,247.08, 259,730.34 and 111,702.62 is: 154,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,247.08 : 259,730.34 = 111,702.62 : x
  2. Step 2: Convert to fraction form
    188,247.08/259,730.34 = 111,702.62/x
  3. Step 3: Cross multiply
    188,247.08x = 259,730.34 × 111,702.62
  4. Step 4: Simplify right side
    188,247.08x = 29,012,559,471.49
  5. Step 5: Solve for x
    x = 29,012,559,471.49/188,247.08
  6. Step 6: Final answer
    x = 154,119.57

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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.