Home / 192,457.45-288,603.60-66,110.41

Finding the Fourth Proportional to 192,457.45, 288,603.60 and 66,110.41

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Solution

The fourth proportional to 192,457.45, 288,603.60 and 66,110.41 is: 99,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457.45 : 288,603.60 = 66,110.41 : x
  2. Step 2: Convert to fraction form
    192,457.45/288,603.60 = 66,110.41/x
  3. Step 3: Cross multiply
    192,457.45x = 288,603.60 × 66,110.41
  4. Step 4: Simplify right side
    192,457.45x = 19,079,702,323.48
  5. Step 5: Solve for x
    x = 19,079,702,323.48/192,457.45
  6. Step 6: Final answer
    x = 99,137.25

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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.