Home / 118,658.12-163,747.68-64,942.97

Finding the Fourth Proportional to 118,658.12, 163,747.68 and 64,942.97

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Solution

The fourth proportional to 118,658.12, 163,747.68 and 64,942.97 is: 89,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,658.12 : 163,747.68 = 64,942.97 : x
  2. Step 2: Convert to fraction form
    118,658.12/163,747.68 = 64,942.97/x
  3. Step 3: Cross multiply
    118,658.12x = 163,747.68 × 64,942.97
  4. Step 4: Simplify right side
    118,658.12x = 10,634,259,607.54
  5. Step 5: Solve for x
    x = 10,634,259,607.54/118,658.12
  6. Step 6: Final answer
    x = 89,621.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.