Home / 264,209.69-396,231.28-86,675.33

Finding the Fourth Proportional to 264,209.69, 396,231.28 and 86,675.33

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Solution

The fourth proportional to 264,209.69, 396,231.28 and 86,675.33 is: 129,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,209.69 : 396,231.28 = 86,675.33 : x
  2. Step 2: Convert to fraction form
    264,209.69/396,231.28 = 86,675.33/x
  3. Step 3: Cross multiply
    264,209.69x = 396,231.28 × 86,675.33
  4. Step 4: Simplify right side
    264,209.69x = 34,343,476,950.32
  5. Step 5: Solve for x
    x = 34,343,476,950.32/264,209.69
  6. Step 6: Final answer
    x = 129,985.68

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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.