Home / 284,491.20-392,418.48-182,409.36

Finding the Fourth Proportional to 284,491.20, 392,418.48 and 182,409.36

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Solution

The fourth proportional to 284,491.20, 392,418.48 and 182,409.36 is: 251,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,491.20 : 392,418.48 = 182,409.36 : x
  2. Step 2: Convert to fraction form
    284,491.20/392,418.48 = 182,409.36/x
  3. Step 3: Cross multiply
    284,491.20x = 392,418.48 × 182,409.36
  4. Step 4: Simplify right side
    284,491.20x = 71,580,803,788.97
  5. Step 5: Solve for x
    x = 71,580,803,788.97/284,491.20
  6. Step 6: Final answer
    x = 251,609.90

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1.5x scale

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.