Home / 189,739.19-283,948.56-117,658.41

Finding the Fourth Proportional to 189,739.19, 283,948.56 and 117,658.41

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Solution

The fourth proportional to 189,739.19, 283,948.56 and 117,658.41 is: 176,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,739.19 : 283,948.56 = 117,658.41 : x
  2. Step 2: Convert to fraction form
    189,739.19/283,948.56 = 117,658.41/x
  3. Step 3: Cross multiply
    189,739.19x = 283,948.56 × 117,658.41
  4. Step 4: Simplify right side
    189,739.19x = 33,408,936,091.39
  5. Step 5: Solve for x
    x = 33,408,936,091.39/189,739.19
  6. Step 6: Final answer
    x = 176,078.21

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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.