Home / 190,974.72-286,361.28-64,571.52

Finding the Fourth Proportional to 190,974.72, 286,361.28 and 64,571.52

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Solution

The fourth proportional to 190,974.72, 286,361.28 and 64,571.52 is: 96,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,974.72 : 286,361.28 = 64,571.52 : x
  2. Step 2: Convert to fraction form
    190,974.72/286,361.28 = 64,571.52/x
  3. Step 3: Cross multiply
    190,974.72x = 286,361.28 × 64,571.52
  4. Step 4: Simplify right side
    190,974.72x = 18,490,783,118.75
  5. Step 5: Solve for x
    x = 18,490,783,118.75/190,974.72
  6. Step 6: Final answer
    x = 96,823.20

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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.