Home / 132,400.40-182,536.98-109,655.60

Finding the Fourth Proportional to 132,400.40, 182,536.98 and 109,655.60

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Solution

The fourth proportional to 132,400.40, 182,536.98 and 109,655.60 is: 151,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,400.40 : 182,536.98 = 109,655.60 : x
  2. Step 2: Convert to fraction form
    132,400.40/182,536.98 = 109,655.60/x
  3. Step 3: Cross multiply
    132,400.40x = 182,536.98 × 109,655.60
  4. Step 4: Simplify right side
    132,400.40x = 20,016,202,064.09
  5. Step 5: Solve for x
    x = 20,016,202,064.09/132,400.40
  6. Step 6: Final answer
    x = 151,179.32

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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.