Home / 117,734.40-176,601.60-51,163.20

Finding the Fourth Proportional to 117,734.40, 176,601.60 and 51,163.20

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Solution

The fourth proportional to 117,734.40, 176,601.60 and 51,163.20 is: 76,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,734.40 : 176,601.60 = 51,163.20 : x
  2. Step 2: Convert to fraction form
    117,734.40/176,601.60 = 51,163.20/x
  3. Step 3: Cross multiply
    117,734.40x = 176,601.60 × 51,163.20
  4. Step 4: Simplify right side
    117,734.40x = 9,035,502,981.12
  5. Step 5: Solve for x
    x = 9,035,502,981.12/117,734.40
  6. Step 6: Final answer
    x = 76,744.80

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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.