Home / 136,529.40-188,355.33-82,794.81

Finding the Fourth Proportional to 136,529.40, 188,355.33 and 82,794.81

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Solution

The fourth proportional to 136,529.40, 188,355.33 and 82,794.81 is: 114,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,529.40 : 188,355.33 = 82,794.81 : x
  2. Step 2: Convert to fraction form
    136,529.40/188,355.33 = 82,794.81/x
  3. Step 3: Cross multiply
    136,529.40x = 188,355.33 × 82,794.81
  4. Step 4: Simplify right side
    136,529.40x = 15,594,843,759.84
  5. Step 5: Solve for x
    x = 15,594,843,759.84/136,529.40
  6. Step 6: Final answer
    x = 114,223.34

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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.