Home / 117,917.04-162,916.30-82,266.18

Finding the Fourth Proportional to 117,917.04, 162,916.30 and 82,266.18

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Solution

The fourth proportional to 117,917.04, 162,916.30 and 82,266.18 is: 113,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,917.04 : 162,916.30 = 82,266.18 : x
  2. Step 2: Convert to fraction form
    117,917.04/162,916.30 = 82,266.18/x
  3. Step 3: Cross multiply
    117,917.04x = 162,916.30 × 82,266.18
  4. Step 4: Simplify right side
    117,917.04x = 13,402,501,660.73
  5. Step 5: Solve for x
    x = 13,402,501,660.73/117,917.04
  6. Step 6: Final answer
    x = 113,660.43

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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.