Home / 171,160.26-256,665.49-81,228.75

Finding the Fourth Proportional to 171,160.26, 256,665.49 and 81,228.75

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Solution

The fourth proportional to 171,160.26, 256,665.49 and 81,228.75 is: 121,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,160.26 : 256,665.49 = 81,228.75 : x
  2. Step 2: Convert to fraction form
    171,160.26/256,665.49 = 81,228.75/x
  3. Step 3: Cross multiply
    171,160.26x = 256,665.49 × 81,228.75
  4. Step 4: Simplify right side
    171,160.26x = 20,848,615,637.51
  5. Step 5: Solve for x
    x = 20,848,615,637.51/171,160.26
  6. Step 6: Final answer
    x = 121,807.57

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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.