Home / 192,018.30-288,064.60-73,680.44

Finding the Fourth Proportional to 192,018.30, 288,064.60 and 73,680.44

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Solution

The fourth proportional to 192,018.30, 288,064.60 and 73,680.44 is: 110,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,018.30 : 288,064.60 = 73,680.44 : x
  2. Step 2: Convert to fraction form
    192,018.30/288,064.60 = 73,680.44/x
  3. Step 3: Cross multiply
    192,018.30x = 288,064.60 × 73,680.44
  4. Step 4: Simplify right side
    192,018.30x = 21,224,725,266.35
  5. Step 5: Solve for x
    x = 21,224,725,266.35/192,018.30
  6. Step 6: Final answer
    x = 110,534.91

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1.5x scale

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.