Home / 112,200.36-154,825.74-61,896.12

Finding the Fourth Proportional to 112,200.36, 154,825.74 and 61,896.12

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Solution

The fourth proportional to 112,200.36, 154,825.74 and 61,896.12 is: 85,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,200.36 : 154,825.74 = 61,896.12 : x
  2. Step 2: Convert to fraction form
    112,200.36/154,825.74 = 61,896.12/x
  3. Step 3: Cross multiply
    112,200.36x = 154,825.74 × 61,896.12
  4. Step 4: Simplify right side
    112,200.36x = 9,583,112,582.13
  5. Step 5: Solve for x
    x = 9,583,112,582.13/112,200.36
  6. Step 6: Final answer
    x = 85,410.71

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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.