Home / 190,383.46-262,730.73-105,501.94

Finding the Fourth Proportional to 190,383.46, 262,730.73 and 105,501.94

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Solution

The fourth proportional to 190,383.46, 262,730.73 and 105,501.94 is: 145,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,383.46 : 262,730.73 = 105,501.94 : x
  2. Step 2: Convert to fraction form
    190,383.46/262,730.73 = 105,501.94/x
  3. Step 3: Cross multiply
    190,383.46x = 262,730.73 × 105,501.94
  4. Step 4: Simplify right side
    190,383.46x = 27,718,601,712.62
  5. Step 5: Solve for x
    x = 27,718,601,712.62/190,383.46
  6. Step 6: Final answer
    x = 145,593.54

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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.