Home / 132,400.64-182,537.34-109,655.84

Finding the Fourth Proportional to 132,400.64, 182,537.34 and 109,655.84

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Solution

The fourth proportional to 132,400.64, 182,537.34 and 109,655.84 is: 151,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,400.64 : 182,537.34 = 109,655.84 : x
  2. Step 2: Convert to fraction form
    132,400.64/182,537.34 = 109,655.84/x
  3. Step 3: Cross multiply
    132,400.64x = 182,537.34 × 109,655.84
  4. Step 4: Simplify right side
    132,400.64x = 20,016,285,349.07
  5. Step 5: Solve for x
    x = 20,016,285,349.07/132,400.64
  6. Step 6: Final answer
    x = 151,179.67

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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.