Home / 144,099.02-198,855.90-83,684.52

Finding the Fourth Proportional to 144,099.02, 198,855.90 and 83,684.52

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Solution

The fourth proportional to 144,099.02, 198,855.90 and 83,684.52 is: 115,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,099.02 : 198,855.90 = 83,684.52 : x
  2. Step 2: Convert to fraction form
    144,099.02/198,855.90 = 83,684.52/x
  3. Step 3: Cross multiply
    144,099.02x = 198,855.90 × 83,684.52
  4. Step 4: Simplify right side
    144,099.02x = 16,641,160,540.67
  5. Step 5: Solve for x
    x = 16,641,160,540.67/144,099.02
  6. Step 6: Final answer
    x = 115,484.20

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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.