Home / 112,243.19-154,895.69-61,942.19

Finding the Fourth Proportional to 112,243.19, 154,895.69 and 61,942.19

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Solution

The fourth proportional to 112,243.19, 154,895.69 and 61,942.19 is: 85,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,243.19 : 154,895.69 = 61,942.19 : x
  2. Step 2: Convert to fraction form
    112,243.19/154,895.69 = 61,942.19/x
  3. Step 3: Cross multiply
    112,243.19x = 154,895.69 × 61,942.19
  4. Step 4: Simplify right side
    112,243.19x = 9,594,577,640.54
  5. Step 5: Solve for x
    x = 9,594,577,640.54/112,243.19
  6. Step 6: Final answer
    x = 85,480.27

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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.