Home / 190,099.40-284,918.70-84,806.60

Finding the Fourth Proportional to 190,099.40, 284,918.70 and 84,806.60

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Solution

The fourth proportional to 190,099.40, 284,918.70 and 84,806.60 is: 127,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,099.40 : 284,918.70 = 84,806.60 : x
  2. Step 2: Convert to fraction form
    190,099.40/284,918.70 = 84,806.60/x
  3. Step 3: Cross multiply
    190,099.40x = 284,918.70 × 84,806.60
  4. Step 4: Simplify right side
    190,099.40x = 24,162,986,223.42
  5. Step 5: Solve for x
    x = 24,162,986,223.42/190,099.40
  6. Step 6: Final answer
    x = 127,107.11

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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.