Home / 99,297.11-136,898.34-82,238.51

Finding the Fourth Proportional to 99,297.11, 136,898.34 and 82,238.51

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Solution

The fourth proportional to 99,297.11, 136,898.34 and 82,238.51 is: 113,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,297.11 : 136,898.34 = 82,238.51 : x
  2. Step 2: Convert to fraction form
    99,297.11/136,898.34 = 82,238.51/x
  3. Step 3: Cross multiply
    99,297.11x = 136,898.34 × 82,238.51
  4. Step 4: Simplify right side
    99,297.11x = 11,258,314,818.58
  5. Step 5: Solve for x
    x = 11,258,314,818.58/99,297.11
  6. Step 6: Final answer
    x = 113,380.09

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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.