Home / 147,222.33-203,150.64-82,678.47

Finding the Fourth Proportional to 147,222.33, 203,150.64 and 82,678.47

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Solution

The fourth proportional to 147,222.33, 203,150.64 and 82,678.47 is: 114,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,222.33 : 203,150.64 = 82,678.47 : x
  2. Step 2: Convert to fraction form
    147,222.33/203,150.64 = 82,678.47/x
  3. Step 3: Cross multiply
    147,222.33x = 203,150.64 × 82,678.47
  4. Step 4: Simplify right side
    147,222.33x = 16,796,184,094.72
  5. Step 5: Solve for x
    x = 16,796,184,094.72/147,222.33
  6. Step 6: Final answer
    x = 114,087.20

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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.