Home / 406,171.12-609,351.74-125,673.52

Finding the Fourth Proportional to 406,171.12, 609,351.74 and 125,673.52

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Solution

The fourth proportional to 406,171.12, 609,351.74 and 125,673.52 is: 188,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,171.12 : 609,351.74 = 125,673.52 : x
  2. Step 2: Convert to fraction form
    406,171.12/609,351.74 = 125,673.52/x
  3. Step 3: Cross multiply
    406,171.12x = 609,351.74 × 125,673.52
  4. Step 4: Simplify right side
    406,171.12x = 76,579,378,083.92
  5. Step 5: Solve for x
    x = 76,579,378,083.92/406,171.12
  6. Step 6: Final answer
    x = 188,539.69

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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.