Home / 112,200.15-154,815.06-66,882.36

Finding the Fourth Proportional to 112,200.15, 154,815.06 and 66,882.36

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Solution

The fourth proportional to 112,200.15, 154,815.06 and 66,882.36 is: 92,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,200.15 : 154,815.06 = 66,882.36 : x
  2. Step 2: Convert to fraction form
    112,200.15/154,815.06 = 66,882.36/x
  3. Step 3: Cross multiply
    112,200.15x = 154,815.06 × 66,882.36
  4. Step 4: Simplify right side
    112,200.15x = 10,354,395,467.85
  5. Step 5: Solve for x
    x = 10,354,395,467.85/112,200.15
  6. Step 6: Final answer
    x = 92,285.04

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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.