Home / 190,423.68-285,660.09-64,009.41

Finding the Fourth Proportional to 190,423.68, 285,660.09 and 64,009.41

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Solution

The fourth proportional to 190,423.68, 285,660.09 and 64,009.41 is: 96,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,423.68 : 285,660.09 = 64,009.41 : x
  2. Step 2: Convert to fraction form
    190,423.68/285,660.09 = 64,009.41/x
  3. Step 3: Cross multiply
    190,423.68x = 285,660.09 × 64,009.41
  4. Step 4: Simplify right side
    190,423.68x = 18,284,933,821.45
  5. Step 5: Solve for x
    x = 18,284,933,821.45/190,423.68
  6. Step 6: Final answer
    x = 96,022.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.