Home / 347,339.12-521,003.19-110,678.41

Finding the Fourth Proportional to 347,339.12, 521,003.19 and 110,678.41

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Solution

The fourth proportional to 347,339.12, 521,003.19 and 110,678.41 is: 166,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,339.12 : 521,003.19 = 110,678.41 : x
  2. Step 2: Convert to fraction form
    347,339.12/521,003.19 = 110,678.41/x
  3. Step 3: Cross multiply
    347,339.12x = 521,003.19 × 110,678.41
  4. Step 4: Simplify right side
    347,339.12x = 57,663,804,674.13
  5. Step 5: Solve for x
    x = 57,663,804,674.13/347,339.12
  6. Step 6: Final answer
    x = 166,015.87

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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.