Home / 154,512.84-213,249.32-111,631.11

Finding the Fourth Proportional to 154,512.84, 213,249.32 and 111,631.11

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Solution

The fourth proportional to 154,512.84, 213,249.32 and 111,631.11 is: 154,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,512.84 : 213,249.32 = 111,631.11 : x
  2. Step 2: Convert to fraction form
    154,512.84/213,249.32 = 111,631.11/x
  3. Step 3: Cross multiply
    154,512.84x = 213,249.32 × 111,631.11
  4. Step 4: Simplify right side
    154,512.84x = 23,805,258,298.35
  5. Step 5: Solve for x
    x = 23,805,258,298.35/154,512.84
  6. Step 6: Final answer
    x = 154,066.54

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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.