Home / 154,770.14-213,504.18-101,086.58

Finding the Fourth Proportional to 154,770.14, 213,504.18 and 101,086.58

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Solution

The fourth proportional to 154,770.14, 213,504.18 and 101,086.58 is: 139,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,770.14 : 213,504.18 = 101,086.58 : x
  2. Step 2: Convert to fraction form
    154,770.14/213,504.18 = 101,086.58/x
  3. Step 3: Cross multiply
    154,770.14x = 213,504.18 × 101,086.58
  4. Step 4: Simplify right side
    154,770.14x = 21,582,407,294.56
  5. Step 5: Solve for x
    x = 21,582,407,294.56/154,770.14
  6. Step 6: Final answer
    x = 139,448.14

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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.