Home / 301,134.50-451,727.91-79,518.50

Finding the Fourth Proportional to 301,134.50, 451,727.91 and 79,518.50

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Solution

The fourth proportional to 301,134.50, 451,727.91 and 79,518.50 is: 119,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,134.50 : 451,727.91 = 79,518.50 : x
  2. Step 2: Convert to fraction form
    301,134.50/451,727.91 = 79,518.50/x
  3. Step 3: Cross multiply
    301,134.50x = 451,727.91 × 79,518.50
  4. Step 4: Simplify right side
    301,134.50x = 35,920,725,811.34
  5. Step 5: Solve for x
    x = 35,920,725,811.34/301,134.50
  6. Step 6: Final answer
    x = 119,284.66

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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.