Home / 136,246.90-188,025.06-85,243.27

Finding the Fourth Proportional to 136,246.90, 188,025.06 and 85,243.27

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Solution

The fourth proportional to 136,246.90, 188,025.06 and 85,243.27 is: 117,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,246.90 : 188,025.06 = 85,243.27 : x
  2. Step 2: Convert to fraction form
    136,246.90/188,025.06 = 85,243.27/x
  3. Step 3: Cross multiply
    136,246.90x = 188,025.06 × 85,243.27
  4. Step 4: Simplify right side
    136,246.90x = 16,027,870,956.35
  5. Step 5: Solve for x
    x = 16,027,870,956.35/136,246.90
  6. Step 6: Final answer
    x = 117,638.43

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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.