Home / 163,670.20-245,456.70-63,772.90

Finding the Fourth Proportional to 163,670.20, 245,456.70 and 63,772.90

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Solution

The fourth proportional to 163,670.20, 245,456.70 and 63,772.90 is: 95,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670.20 : 245,456.70 = 63,772.90 : x
  2. Step 2: Convert to fraction form
    163,670.20/245,456.70 = 63,772.90/x
  3. Step 3: Cross multiply
    163,670.20x = 245,456.70 × 63,772.90
  4. Step 4: Simplify right side
    163,670.20x = 15,653,485,583.43
  5. Step 5: Solve for x
    x = 15,653,485,583.43/163,670.20
  6. Step 6: Final answer
    x = 95,640.41

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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.