Home / 320,224.28-479,672.08-186,699.56

Finding the Fourth Proportional to 320,224.28, 479,672.08 and 186,699.56

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Solution

The fourth proportional to 320,224.28, 479,672.08 and 186,699.56 is: 279,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,224.28 : 479,672.08 = 186,699.56 : x
  2. Step 2: Convert to fraction form
    320,224.28/479,672.08 = 186,699.56/x
  3. Step 3: Cross multiply
    320,224.28x = 479,672.08 × 186,699.56
  4. Step 4: Simplify right side
    320,224.28x = 89,554,566,280.28
  5. Step 5: Solve for x
    x = 89,554,566,280.28/320,224.28
  6. Step 6: Final answer
    x = 279,662.01

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1.5x scale

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.