Home / 190,650.41-285,902.78-64,256.70

Finding the Fourth Proportional to 190,650.41, 285,902.78 and 64,256.70

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Solution

The fourth proportional to 190,650.41, 285,902.78 and 64,256.70 is: 96,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,650.41 : 285,902.78 = 64,256.70 : x
  2. Step 2: Convert to fraction form
    190,650.41/285,902.78 = 64,256.70/x
  3. Step 3: Cross multiply
    190,650.41x = 285,902.78 × 64,256.70
  4. Step 4: Simplify right side
    190,650.41x = 18,371,169,163.63
  5. Step 5: Solve for x
    x = 18,371,169,163.63/190,650.41
  6. Step 6: Final answer
    x = 96,360.50

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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.