Home / 311,749.40-467,624.10-112,076.30

Finding the Fourth Proportional to 311,749.40, 467,624.10 and 112,076.30

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Solution

The fourth proportional to 311,749.40, 467,624.10 and 112,076.30 is: 168,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,749.40 : 467,624.10 = 112,076.30 : x
  2. Step 2: Convert to fraction form
    311,749.40/467,624.10 = 112,076.30/x
  3. Step 3: Cross multiply
    311,749.40x = 467,624.10 × 112,076.30
  4. Step 4: Simplify right side
    311,749.40x = 52,409,578,918.83
  5. Step 5: Solve for x
    x = 52,409,578,918.83/311,749.40
  6. Step 6: Final answer
    x = 168,114.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.