Home / 169,032.82-233,016.78-128,676.28

Finding the Fourth Proportional to 169,032.82, 233,016.78 and 128,676.28

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Solution

The fourth proportional to 169,032.82, 233,016.78 and 128,676.28 is: 177,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,032.82 : 233,016.78 = 128,676.28 : x
  2. Step 2: Convert to fraction form
    169,032.82/233,016.78 = 128,676.28/x
  3. Step 3: Cross multiply
    169,032.82x = 233,016.78 × 128,676.28
  4. Step 4: Simplify right side
    169,032.82x = 29,983,732,427.98
  5. Step 5: Solve for x
    x = 29,983,732,427.98/169,032.82
  6. Step 6: Final answer
    x = 177,384.09

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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.