Home / 221,428.16-332,405.28-174,714.56

Finding the Fourth Proportional to 221,428.16, 332,405.28 and 174,714.56

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Solution

The fourth proportional to 221,428.16, 332,405.28 and 174,714.56 is: 262,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,428.16 : 332,405.28 = 174,714.56 : x
  2. Step 2: Convert to fraction form
    221,428.16/332,405.28 = 174,714.56/x
  3. Step 3: Cross multiply
    221,428.16x = 332,405.28 × 174,714.56
  4. Step 4: Simplify right side
    221,428.16x = 58,076,042,236.88
  5. Step 5: Solve for x
    x = 58,076,042,236.88/221,428.16
  6. Step 6: Final answer
    x = 262,279.39

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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.