Home / 306,213.09-459,289.93-92,982.84

Finding the Fourth Proportional to 306,213.09, 459,289.93 and 92,982.84

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Solution

The fourth proportional to 306,213.09, 459,289.93 and 92,982.84 is: 139,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,213.09 : 459,289.93 = 92,982.84 : x
  2. Step 2: Convert to fraction form
    306,213.09/459,289.93 = 92,982.84/x
  3. Step 3: Cross multiply
    306,213.09x = 459,289.93 × 92,982.84
  4. Step 4: Simplify right side
    306,213.09x = 42,706,084,590.47
  5. Step 5: Solve for x
    x = 42,706,084,590.47/306,213.09
  6. Step 6: Final answer
    x = 139,465.25

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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.