Home / 324,837.12-487,311.60-111,594.96

Finding the Fourth Proportional to 324,837.12, 487,311.60 and 111,594.96

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Solution

The fourth proportional to 324,837.12, 487,311.60 and 111,594.96 is: 167,411.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,837.12 : 487,311.60 = 111,594.96 : x
  2. Step 2: Convert to fraction form
    324,837.12/487,311.60 = 111,594.96/x
  3. Step 3: Cross multiply
    324,837.12x = 487,311.60 × 111,594.96
  4. Step 4: Simplify right side
    324,837.12x = 54,381,518,509.54
  5. Step 5: Solve for x
    x = 54,381,518,509.54/324,837.12
  6. Step 6: Final answer
    x = 167,411.65

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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.