Home / 112,193-154,829.27-61,206.56

Finding the Fourth Proportional to 112,193, 154,829.27 and 61,206.56

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Solution

The fourth proportional to 112,193, 154,829.27 and 61,206.56 is: 84,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,193 : 154,829.27 = 61,206.56 : x
  2. Step 2: Convert to fraction form
    112,193/154,829.27 = 61,206.56/x
  3. Step 3: Cross multiply
    112,193x = 154,829.27 × 61,206.56
  4. Step 4: Simplify right side
    112,193x = 9,476,567,004.01
  5. Step 5: Solve for x
    x = 9,476,567,004.01/112,193
  6. Step 6: Final answer
    x = 84,466.65

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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.