Home / 117,736.40-176,604.60-51,165.20

Finding the Fourth Proportional to 117,736.40, 176,604.60 and 51,165.20

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Solution

The fourth proportional to 117,736.40, 176,604.60 and 51,165.20 is: 76,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,736.40 : 176,604.60 = 51,165.20 : x
  2. Step 2: Convert to fraction form
    117,736.40/176,604.60 = 51,165.20/x
  3. Step 3: Cross multiply
    117,736.40x = 176,604.60 × 51,165.20
  4. Step 4: Simplify right side
    117,736.40x = 9,036,009,679.92
  5. Step 5: Solve for x
    x = 9,036,009,679.92/117,736.40
  6. Step 6: Final answer
    x = 76,747.80

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1.5x scale

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.