Home / 178,730.20-268,131.30-52,370.20

Finding the Fourth Proportional to 178,730.20, 268,131.30 and 52,370.20

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Solution

The fourth proportional to 178,730.20, 268,131.30 and 52,370.20 is: 78,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,730.20 : 268,131.30 = 52,370.20 : x
  2. Step 2: Convert to fraction form
    178,730.20/268,131.30 = 52,370.20/x
  3. Step 3: Cross multiply
    178,730.20x = 268,131.30 × 52,370.20
  4. Step 4: Simplify right side
    178,730.20x = 14,042,089,807.26
  5. Step 5: Solve for x
    x = 14,042,089,807.26/178,730.20
  6. Step 6: Final answer
    x = 78,565.85

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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.