Home / 190,280.75-262,460.87-122,383.64

Finding the Fourth Proportional to 190,280.75, 262,460.87 and 122,383.64

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Solution

The fourth proportional to 190,280.75, 262,460.87 and 122,383.64 is: 168,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,280.75 : 262,460.87 = 122,383.64 : x
  2. Step 2: Convert to fraction form
    190,280.75/262,460.87 = 122,383.64/x
  3. Step 3: Cross multiply
    190,280.75x = 262,460.87 × 122,383.64
  4. Step 4: Simplify right side
    190,280.75x = 32,120,914,703.94
  5. Step 5: Solve for x
    x = 32,120,914,703.94/190,280.75
  6. Step 6: Final answer
    x = 168,808.01

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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.