Home / 190,883.64-286,076.36-106,640.40

Finding the Fourth Proportional to 190,883.64, 286,076.36 and 106,640.40

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Solution

The fourth proportional to 190,883.64, 286,076.36 and 106,640.40 is: 159,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,883.64 : 286,076.36 = 106,640.40 : x
  2. Step 2: Convert to fraction form
    190,883.64/286,076.36 = 106,640.40/x
  3. Step 3: Cross multiply
    190,883.64x = 286,076.36 × 106,640.40
  4. Step 4: Simplify right side
    190,883.64x = 30,507,297,460.94
  5. Step 5: Solve for x
    x = 30,507,297,460.94/190,883.64
  6. Step 6: Final answer
    x = 159,821.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.