Home / 132,022.39-182,123.40-83,542.75

Finding the Fourth Proportional to 132,022.39, 182,123.40 and 83,542.75

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Solution

The fourth proportional to 132,022.39, 182,123.40 and 83,542.75 is: 115,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,022.39 : 182,123.40 = 83,542.75 : x
  2. Step 2: Convert to fraction form
    132,022.39/182,123.40 = 83,542.75/x
  3. Step 3: Cross multiply
    132,022.39x = 182,123.40 × 83,542.75
  4. Step 4: Simplify right side
    132,022.39x = 15,215,089,675.35
  5. Step 5: Solve for x
    x = 15,215,089,675.35/132,022.39
  6. Step 6: Final answer
    x = 115,246.28

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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.