Home / 190,143.05-262,400.52-104,100.60

Finding the Fourth Proportional to 190,143.05, 262,400.52 and 104,100.60

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Solution

The fourth proportional to 190,143.05, 262,400.52 and 104,100.60 is: 143,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.05 : 262,400.52 = 104,100.60 : x
  2. Step 2: Convert to fraction form
    190,143.05/262,400.52 = 104,100.60/x
  3. Step 3: Cross multiply
    190,143.05x = 262,400.52 × 104,100.60
  4. Step 4: Simplify right side
    190,143.05x = 27,316,051,572.31
  5. Step 5: Solve for x
    x = 27,316,051,572.31/190,143.05
  6. Step 6: Final answer
    x = 143,660.54

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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.