Home / 148,680.96-205,121.33-84,984.58

Finding the Fourth Proportional to 148,680.96, 205,121.33 and 84,984.58

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Solution

The fourth proportional to 148,680.96, 205,121.33 and 84,984.58 is: 117,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,680.96 : 205,121.33 = 84,984.58 : x
  2. Step 2: Convert to fraction form
    148,680.96/205,121.33 = 84,984.58/x
  3. Step 3: Cross multiply
    148,680.96x = 205,121.33 × 84,984.58
  4. Step 4: Simplify right side
    148,680.96x = 17,432,149,654.17
  5. Step 5: Solve for x
    x = 17,432,149,654.17/148,680.96
  6. Step 6: Final answer
    x = 117,245.34

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1.5x scale

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.