Home / 132,107.79-182,218.45-84,339.60

Finding the Fourth Proportional to 132,107.79, 182,218.45 and 84,339.60

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Solution

The fourth proportional to 132,107.79, 182,218.45 and 84,339.60 is: 116,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,107.79 : 182,218.45 = 84,339.60 : x
  2. Step 2: Convert to fraction form
    132,107.79/182,218.45 = 84,339.60/x
  3. Step 3: Cross multiply
    132,107.79x = 182,218.45 × 84,339.60
  4. Step 4: Simplify right side
    132,107.79x = 15,368,231,868.45
  5. Step 5: Solve for x
    x = 15,368,231,868.45/132,107.79
  6. Step 6: Final answer
    x = 116,331.01

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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.