Home / 163,578.41-245,367.65-51,258.60

Finding the Fourth Proportional to 163,578.41, 245,367.65 and 51,258.60

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Solution

The fourth proportional to 163,578.41, 245,367.65 and 51,258.60 is: 76,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,578.41 : 245,367.65 = 51,258.60 : x
  2. Step 2: Convert to fraction form
    163,578.41/245,367.65 = 51,258.60/x
  3. Step 3: Cross multiply
    163,578.41x = 245,367.65 × 51,258.60
  4. Step 4: Simplify right side
    163,578.41x = 12,577,203,080.35
  5. Step 5: Solve for x
    x = 12,577,203,080.35/163,578.41
  6. Step 6: Final answer
    x = 76,887.92

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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.