Home / 321,927.72-482,977.46-111,565.48

Finding the Fourth Proportional to 321,927.72, 482,977.46 and 111,565.48

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Solution

The fourth proportional to 321,927.72, 482,977.46 and 111,565.48 is: 167,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,927.72 : 482,977.46 = 111,565.48 : x
  2. Step 2: Convert to fraction form
    321,927.72/482,977.46 = 111,565.48/x
  3. Step 3: Cross multiply
    321,927.72x = 482,977.46 × 111,565.48
  4. Step 4: Simplify right side
    321,927.72x = 53,883,612,154.08
  5. Step 5: Solve for x
    x = 53,883,612,154.08/321,927.72
  6. Step 6: Final answer
    x = 167,377.98

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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.