Home / 163,644.12-245,463.71-73,623.26

Finding the Fourth Proportional to 163,644.12, 245,463.71 and 73,623.26

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Solution

The fourth proportional to 163,644.12, 245,463.71 and 73,623.26 is: 110,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,644.12 : 245,463.71 = 73,623.26 : x
  2. Step 2: Convert to fraction form
    163,644.12/245,463.71 = 73,623.26/x
  3. Step 3: Cross multiply
    163,644.12x = 245,463.71 × 73,623.26
  4. Step 4: Simplify right side
    163,644.12x = 18,071,837,820.84
  5. Step 5: Solve for x
    x = 18,071,837,820.84/163,644.12
  6. Step 6: Final answer
    x = 110,433.78

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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.