Home / 325,038.20-487,567.94-111,803.92

Finding the Fourth Proportional to 325,038.20, 487,567.94 and 111,803.92

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Solution

The fourth proportional to 325,038.20, 487,567.94 and 111,803.92 is: 167,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,038.20 : 487,567.94 = 111,803.92 : x
  2. Step 2: Convert to fraction form
    325,038.20/487,567.94 = 111,803.92/x
  3. Step 3: Cross multiply
    325,038.20x = 487,567.94 × 111,803.92
  4. Step 4: Simplify right side
    325,038.20x = 54,512,006,958.32
  5. Step 5: Solve for x
    x = 54,512,006,958.32/325,038.20
  6. Step 6: Final answer
    x = 167,709.54

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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.