Home / 379,186.02-523,273.50-209,416.50

Finding the Fourth Proportional to 379,186.02, 523,273.50 and 209,416.50

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Solution

The fourth proportional to 379,186.02, 523,273.50 and 209,416.50 is: 288,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,186.02 : 523,273.50 = 209,416.50 : x
  2. Step 2: Convert to fraction form
    379,186.02/523,273.50 = 209,416.50/x
  3. Step 3: Cross multiply
    379,186.02x = 523,273.50 × 209,416.50
  4. Step 4: Simplify right side
    379,186.02x = 109,582,104,912.75
  5. Step 5: Solve for x
    x = 109,582,104,912.75/379,186.02
  6. Step 6: Final answer
    x = 288,993.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.