Home / 406,151.20-609,292.41-125,668.45

Finding the Fourth Proportional to 406,151.20, 609,292.41 and 125,668.45

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Solution

The fourth proportional to 406,151.20, 609,292.41 and 125,668.45 is: 188,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,151.20 : 609,292.41 = 125,668.45 : x
  2. Step 2: Convert to fraction form
    406,151.20/609,292.41 = 125,668.45/x
  3. Step 3: Cross multiply
    406,151.20x = 609,292.41 × 125,668.45
  4. Step 4: Simplify right side
    406,151.20x = 76,568,832,761.46
  5. Step 5: Solve for x
    x = 76,568,832,761.46/406,151.20
  6. Step 6: Final answer
    x = 188,522.98

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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.