Home / 143,941.84-198,675.33-98,077.30

Finding the Fourth Proportional to 143,941.84, 198,675.33 and 98,077.30

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Solution

The fourth proportional to 143,941.84, 198,675.33 and 98,077.30 is: 135,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,941.84 : 198,675.33 = 98,077.30 : x
  2. Step 2: Convert to fraction form
    143,941.84/198,675.33 = 98,077.30/x
  3. Step 3: Cross multiply
    143,941.84x = 198,675.33 × 98,077.30
  4. Step 4: Simplify right side
    143,941.84x = 19,485,539,943.01
  5. Step 5: Solve for x
    x = 19,485,539,943.01/143,941.84
  6. Step 6: Final answer
    x = 135,370.92

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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.