Home / 301,281.20-451,924.38-76,641.83

Finding the Fourth Proportional to 301,281.20, 451,924.38 and 76,641.83

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Solution

The fourth proportional to 301,281.20, 451,924.38 and 76,641.83 is: 114,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,281.20 : 451,924.38 = 76,641.83 : x
  2. Step 2: Convert to fraction form
    301,281.20/451,924.38 = 76,641.83/x
  3. Step 3: Cross multiply
    301,281.20x = 451,924.38 × 76,641.83
  4. Step 4: Simplify right side
    301,281.20x = 34,636,311,504.82
  5. Step 5: Solve for x
    x = 34,636,311,504.82/301,281.20
  6. Step 6: Final answer
    x = 114,963.40

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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.