Home / 132,863.25-183,358.58-76,278.27

Finding the Fourth Proportional to 132,863.25, 183,358.58 and 76,278.27

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Solution

The fourth proportional to 132,863.25, 183,358.58 and 76,278.27 is: 105,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,863.25 : 183,358.58 = 76,278.27 : x
  2. Step 2: Convert to fraction form
    132,863.25/183,358.58 = 76,278.27/x
  3. Step 3: Cross multiply
    132,863.25x = 183,358.58 × 76,278.27
  4. Step 4: Simplify right side
    132,863.25x = 13,986,274,890.67
  5. Step 5: Solve for x
    x = 13,986,274,890.67/132,863.25
  6. Step 6: Final answer
    x = 105,268.20

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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.