Home / 143,786.08-198,368.22-96,070.60

Finding the Fourth Proportional to 143,786.08, 198,368.22 and 96,070.60

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Solution

The fourth proportional to 143,786.08, 198,368.22 and 96,070.60 is: 132,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,786.08 : 198,368.22 = 96,070.60 : x
  2. Step 2: Convert to fraction form
    143,786.08/198,368.22 = 96,070.60/x
  3. Step 3: Cross multiply
    143,786.08x = 198,368.22 × 96,070.60
  4. Step 4: Simplify right side
    143,786.08x = 19,057,353,916.33
  5. Step 5: Solve for x
    x = 19,057,353,916.33/143,786.08
  6. Step 6: Final answer
    x = 132,539.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.