Home / 220,288.86-330,096.84-163,856.04

Finding the Fourth Proportional to 220,288.86, 330,096.84 and 163,856.04

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Solution

The fourth proportional to 220,288.86, 330,096.84 and 163,856.04 is: 245,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,288.86 : 330,096.84 = 163,856.04 : x
  2. Step 2: Convert to fraction form
    220,288.86/330,096.84 = 163,856.04/x
  3. Step 3: Cross multiply
    220,288.86x = 330,096.84 × 163,856.04
  4. Step 4: Simplify right side
    220,288.86x = 54,088,361,018.91
  5. Step 5: Solve for x
    x = 54,088,361,018.91/220,288.86
  6. Step 6: Final answer
    x = 245,533.80

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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.