Home / 406,053.38-609,138.39-125,592.50

Finding the Fourth Proportional to 406,053.38, 609,138.39 and 125,592.50

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Solution

The fourth proportional to 406,053.38, 609,138.39 and 125,592.50 is: 188,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,053.38 : 609,138.39 = 125,592.50 : x
  2. Step 2: Convert to fraction form
    406,053.38/609,138.39 = 125,592.50/x
  3. Step 3: Cross multiply
    406,053.38x = 609,138.39 × 125,592.50
  4. Step 4: Simplify right side
    406,053.38x = 76,503,213,246.08
  5. Step 5: Solve for x
    x = 76,503,213,246.08/406,053.38
  6. Step 6: Final answer
    x = 188,406.79

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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.