Home / 168,376.40-252,856.20-163,127.60

Finding the Fourth Proportional to 168,376.40, 252,856.20 and 163,127.60

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Solution

The fourth proportional to 168,376.40, 252,856.20 and 163,127.60 is: 244,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,376.40 : 252,856.20 = 163,127.60 : x
  2. Step 2: Convert to fraction form
    168,376.40/252,856.20 = 163,127.60/x
  3. Step 3: Cross multiply
    168,376.40x = 252,856.20 × 163,127.60
  4. Step 4: Simplify right side
    168,376.40x = 41,247,825,051.12
  5. Step 5: Solve for x
    x = 41,247,825,051.12/168,376.40
  6. Step 6: Final answer
    x = 244,973.91

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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.