Home / 163,745.80-245,618.70-89,096.20

Finding the Fourth Proportional to 163,745.80, 245,618.70 and 89,096.20

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Solution

The fourth proportional to 163,745.80, 245,618.70 and 89,096.20 is: 133,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,745.80 : 245,618.70 = 89,096.20 : x
  2. Step 2: Convert to fraction form
    163,745.80/245,618.70 = 89,096.20/x
  3. Step 3: Cross multiply
    163,745.80x = 245,618.70 × 89,096.20
  4. Step 4: Simplify right side
    163,745.80x = 21,883,692,818.94
  5. Step 5: Solve for x
    x = 21,883,692,818.94/163,745.80
  6. Step 6: Final answer
    x = 133,644.30

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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.