Home / 170,901.47-256,185.59-68,288.22

Finding the Fourth Proportional to 170,901.47, 256,185.59 and 68,288.22

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Solution

The fourth proportional to 170,901.47, 256,185.59 and 68,288.22 is: 102,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,901.47 : 256,185.59 = 68,288.22 : x
  2. Step 2: Convert to fraction form
    170,901.47/256,185.59 = 68,288.22/x
  3. Step 3: Cross multiply
    170,901.47x = 256,185.59 × 68,288.22
  4. Step 4: Simplify right side
    170,901.47x = 17,494,457,589.31
  5. Step 5: Solve for x
    x = 17,494,457,589.31/170,901.47
  6. Step 6: Final answer
    x = 102,365.76

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1.5x scale

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.