Home / 143,946.96-198,496.08-123,871.92

Finding the Fourth Proportional to 143,946.96, 198,496.08 and 123,871.92

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Solution

The fourth proportional to 143,946.96, 198,496.08 and 123,871.92 is: 170,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,946.96 : 198,496.08 = 123,871.92 : x
  2. Step 2: Convert to fraction form
    143,946.96/198,496.08 = 123,871.92/x
  3. Step 3: Cross multiply
    143,946.96x = 198,496.08 × 123,871.92
  4. Step 4: Simplify right side
    143,946.96x = 24,588,090,542.07
  5. Step 5: Solve for x
    x = 24,588,090,542.07/143,946.96
  6. Step 6: Final answer
    x = 170,813.55

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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.