Home / 190,903.40-286,355.10-106,922.60

Finding the Fourth Proportional to 190,903.40, 286,355.10 and 106,922.60

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Solution

The fourth proportional to 190,903.40, 286,355.10 and 106,922.60 is: 160,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,903.40 : 286,355.10 = 106,922.60 : x
  2. Step 2: Convert to fraction form
    190,903.40/286,355.10 = 106,922.60/x
  3. Step 3: Cross multiply
    190,903.40x = 286,355.10 × 106,922.60
  4. Step 4: Simplify right side
    190,903.40x = 30,617,831,815.26
  5. Step 5: Solve for x
    x = 30,617,831,815.26/190,903.40
  6. Step 6: Final answer
    x = 160,383.90

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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.