Home / 109,181.63-163,772.52-30,295.93

Finding the Fourth Proportional to 109,181.63, 163,772.52 and 30,295.93

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Solution

The fourth proportional to 109,181.63, 163,772.52 and 30,295.93 is: 45,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,181.63 : 163,772.52 = 30,295.93 : x
  2. Step 2: Convert to fraction form
    109,181.63/163,772.52 = 30,295.93/x
  3. Step 3: Cross multiply
    109,181.63x = 163,772.52 × 30,295.93
  4. Step 4: Simplify right side
    109,181.63x = 4,961,640,278.80
  5. Step 5: Solve for x
    x = 4,961,640,278.80/109,181.63
  6. Step 6: Final answer
    x = 45,443.91

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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.