Home / 163,466.25-245,213.46-45,137.61

Finding the Fourth Proportional to 163,466.25, 245,213.46 and 45,137.61

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Solution

The fourth proportional to 163,466.25, 245,213.46 and 45,137.61 is: 67,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,466.25 : 245,213.46 = 45,137.61 : x
  2. Step 2: Convert to fraction form
    163,466.25/245,213.46 = 45,137.61/x
  3. Step 3: Cross multiply
    163,466.25x = 245,213.46 × 45,137.61
  4. Step 4: Simplify right side
    163,466.25x = 11,068,349,524.23
  5. Step 5: Solve for x
    x = 11,068,349,524.23/163,466.25
  6. Step 6: Final answer
    x = 67,710.30

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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.