Home / 190,527.27-262,939.49-105,644.34

Finding the Fourth Proportional to 190,527.27, 262,939.49 and 105,644.34

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Solution

The fourth proportional to 190,527.27, 262,939.49 and 105,644.34 is: 145,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,527.27 : 262,939.49 = 105,644.34 : x
  2. Step 2: Convert to fraction form
    190,527.27/262,939.49 = 105,644.34/x
  3. Step 3: Cross multiply
    190,527.27x = 262,939.49 × 105,644.34
  4. Step 4: Simplify right side
    190,527.27x = 27,778,068,352.76
  5. Step 5: Solve for x
    x = 27,778,068,352.76/190,527.27
  6. Step 6: Final answer
    x = 145,795.76

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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.