Home / 163,966.80-226,285.20-123,609.36

Finding the Fourth Proportional to 163,966.80, 226,285.20 and 123,609.36

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Solution

The fourth proportional to 163,966.80, 226,285.20 and 123,609.36 is: 170,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,966.80 : 226,285.20 = 123,609.36 : x
  2. Step 2: Convert to fraction form
    163,966.80/226,285.20 = 123,609.36/x
  3. Step 3: Cross multiply
    163,966.80x = 226,285.20 × 123,609.36
  4. Step 4: Simplify right side
    163,966.80x = 27,970,968,749.47
  5. Step 5: Solve for x
    x = 27,970,968,749.47/163,966.80
  6. Step 6: Final answer
    x = 170,589.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.