Home / 169,420.50-233,802.09-92,939.74

Finding the Fourth Proportional to 169,420.50, 233,802.09 and 92,939.74

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Solution

The fourth proportional to 169,420.50, 233,802.09 and 92,939.74 is: 128,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,420.50 : 233,802.09 = 92,939.74 : x
  2. Step 2: Convert to fraction form
    169,420.50/233,802.09 = 92,939.74/x
  3. Step 3: Cross multiply
    169,420.50x = 233,802.09 × 92,939.74
  4. Step 4: Simplify right side
    169,420.50x = 21,729,505,456.06
  5. Step 5: Solve for x
    x = 21,729,505,456.06/169,420.50
  6. Step 6: Final answer
    x = 128,257.83

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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.