Home / 156,583.75-234,914.64-45,775.75

Finding the Fourth Proportional to 156,583.75, 234,914.64 and 45,775.75

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Solution

The fourth proportional to 156,583.75, 234,914.64 and 45,775.75 is: 68,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,583.75 : 234,914.64 = 45,775.75 : x
  2. Step 2: Convert to fraction form
    156,583.75/234,914.64 = 45,775.75/x
  3. Step 3: Cross multiply
    156,583.75x = 234,914.64 × 45,775.75
  4. Step 4: Simplify right side
    156,583.75x = 10,753,393,831.98
  5. Step 5: Solve for x
    x = 10,753,393,831.98/156,583.75
  6. Step 6: Final answer
    x = 68,675.03

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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.