Home / 149,283.55-206,053.68-98,333.47

Finding the Fourth Proportional to 149,283.55, 206,053.68 and 98,333.47

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Solution

The fourth proportional to 149,283.55, 206,053.68 and 98,333.47 is: 135,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,283.55 : 206,053.68 = 98,333.47 : x
  2. Step 2: Convert to fraction form
    149,283.55/206,053.68 = 98,333.47/x
  3. Step 3: Cross multiply
    149,283.55x = 206,053.68 × 98,333.47
  4. Step 4: Simplify right side
    149,283.55x = 20,261,973,360.67
  5. Step 5: Solve for x
    x = 20,261,973,360.67/149,283.55
  6. Step 6: Final answer
    x = 135,728.11

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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.