Home / 143,675.44-198,271.02-83,244.80

Finding the Fourth Proportional to 143,675.44, 198,271.02 and 83,244.80

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Solution

The fourth proportional to 143,675.44, 198,271.02 and 83,244.80 is: 114,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,675.44 : 198,271.02 = 83,244.80 : x
  2. Step 2: Convert to fraction form
    143,675.44/198,271.02 = 83,244.80/x
  3. Step 3: Cross multiply
    143,675.44x = 198,271.02 × 83,244.80
  4. Step 4: Simplify right side
    143,675.44x = 16,505,031,405.70
  5. Step 5: Solve for x
    x = 16,505,031,405.70/143,675.44
  6. Step 6: Final answer
    x = 114,877.19

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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.