Home / 302,078.07-453,087.81-91,717.83

Finding the Fourth Proportional to 302,078.07, 453,087.81 and 91,717.83

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Solution

The fourth proportional to 302,078.07, 453,087.81 and 91,717.83 is: 137,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,078.07 : 453,087.81 = 91,717.83 : x
  2. Step 2: Convert to fraction form
    302,078.07/453,087.81 = 91,717.83/x
  3. Step 3: Cross multiply
    302,078.07x = 453,087.81 × 91,717.83
  4. Step 4: Simplify right side
    302,078.07x = 41,556,230,732.65
  5. Step 5: Solve for x
    x = 41,556,230,732.65/302,078.07
  6. Step 6: Final answer
    x = 137,567.85

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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.