Home / 406,152.20-609,293.91-125,669.45

Finding the Fourth Proportional to 406,152.20, 609,293.91 and 125,669.45

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Solution

The fourth proportional to 406,152.20, 609,293.91 and 125,669.45 is: 188,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,152.20 : 609,293.91 = 125,669.45 : x
  2. Step 2: Convert to fraction form
    406,152.20/609,293.91 = 125,669.45/x
  3. Step 3: Cross multiply
    406,152.20x = 609,293.91 × 125,669.45
  4. Step 4: Simplify right side
    406,152.20x = 76,569,630,558.05
  5. Step 5: Solve for x
    x = 76,569,630,558.05/406,152.20
  6. Step 6: Final answer
    x = 188,524.48

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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.