Home / 132,128.09-182,260.51-84,327.56

Finding the Fourth Proportional to 132,128.09, 182,260.51 and 84,327.56

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Solution

The fourth proportional to 132,128.09, 182,260.51 and 84,327.56 is: 116,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,128.09 : 182,260.51 = 84,327.56 : x
  2. Step 2: Convert to fraction form
    132,128.09/182,260.51 = 84,327.56/x
  3. Step 3: Cross multiply
    132,128.09x = 182,260.51 × 84,327.56
  4. Step 4: Simplify right side
    132,128.09x = 15,369,584,092.66
  5. Step 5: Solve for x
    x = 15,369,584,092.66/132,128.09
  6. Step 6: Final answer
    x = 116,323.37

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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.