Home / 112,220.22-154,883.94-66,901.14

Finding the Fourth Proportional to 112,220.22, 154,883.94 and 66,901.14

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Solution

The fourth proportional to 112,220.22, 154,883.94 and 66,901.14 is: 92,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,220.22 : 154,883.94 = 66,901.14 : x
  2. Step 2: Convert to fraction form
    112,220.22/154,883.94 = 66,901.14/x
  3. Step 3: Cross multiply
    112,220.22x = 154,883.94 × 66,901.14
  4. Step 4: Simplify right side
    112,220.22x = 10,361,912,153.69
  5. Step 5: Solve for x
    x = 10,361,912,153.69/112,220.22
  6. Step 6: Final answer
    x = 92,335.52

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1.5x scale

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.