Home / 190,207.70-262,494.54-105,324.76

Finding the Fourth Proportional to 190,207.70, 262,494.54 and 105,324.76

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Solution

The fourth proportional to 190,207.70, 262,494.54 and 105,324.76 is: 145,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,207.70 : 262,494.54 = 105,324.76 : x
  2. Step 2: Convert to fraction form
    190,207.70/262,494.54 = 105,324.76/x
  3. Step 3: Cross multiply
    190,207.70x = 262,494.54 × 105,324.76
  4. Step 4: Simplify right side
    190,207.70x = 27,647,174,754.93
  5. Step 5: Solve for x
    x = 27,647,174,754.93/190,207.70
  6. Step 6: Final answer
    x = 145,352.55

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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.