Home / 190,361.28-285,492.16-57,205.92

Finding the Fourth Proportional to 190,361.28, 285,492.16 and 57,205.92

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Solution

The fourth proportional to 190,361.28, 285,492.16 and 57,205.92 is: 85,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,361.28 : 285,492.16 = 57,205.92 : x
  2. Step 2: Convert to fraction form
    190,361.28/285,492.16 = 57,205.92/x
  3. Step 3: Cross multiply
    190,361.28x = 285,492.16 × 57,205.92
  4. Step 4: Simplify right side
    190,361.28x = 16,331,841,665.59
  5. Step 5: Solve for x
    x = 16,331,841,665.59/190,361.28
  6. Step 6: Final answer
    x = 85,793.93

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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.