Home / 132,145.42-182,362.02-71,716.60

Finding the Fourth Proportional to 132,145.42, 182,362.02 and 71,716.60

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Solution

The fourth proportional to 132,145.42, 182,362.02 and 71,716.60 is: 98,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,145.42 : 182,362.02 = 71,716.60 : x
  2. Step 2: Convert to fraction form
    132,145.42/182,362.02 = 71,716.60/x
  3. Step 3: Cross multiply
    132,145.42x = 182,362.02 × 71,716.60
  4. Step 4: Simplify right side
    132,145.42x = 13,078,384,043.53
  5. Step 5: Solve for x
    x = 13,078,384,043.53/132,145.42
  6. Step 6: Final answer
    x = 98,969.64

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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.