Home / 132,176.44-182,417.88-78,474.64

Finding the Fourth Proportional to 132,176.44, 182,417.88 and 78,474.64

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Solution

The fourth proportional to 132,176.44, 182,417.88 and 78,474.64 is: 108,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,176.44 : 182,417.88 = 78,474.64 : x
  2. Step 2: Convert to fraction form
    132,176.44/182,417.88 = 78,474.64/x
  3. Step 3: Cross multiply
    132,176.44x = 182,417.88 × 78,474.64
  4. Step 4: Simplify right side
    132,176.44x = 14,315,177,462.56
  5. Step 5: Solve for x
    x = 14,315,177,462.56/132,176.44
  6. Step 6: Final answer
    x = 108,303.55

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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.