Home / 164,821.61-247,150.61-52,487.18

Finding the Fourth Proportional to 164,821.61, 247,150.61 and 52,487.18

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Solution

The fourth proportional to 164,821.61, 247,150.61 and 52,487.18 is: 78,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,821.61 : 247,150.61 = 52,487.18 : x
  2. Step 2: Convert to fraction form
    164,821.61/247,150.61 = 52,487.18/x
  3. Step 3: Cross multiply
    164,821.61x = 247,150.61 × 52,487.18
  4. Step 4: Simplify right side
    164,821.61x = 12,972,237,055.99
  5. Step 5: Solve for x
    x = 12,972,237,055.99/164,821.61
  6. Step 6: Final answer
    x = 78,704.71

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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.