Home / 132,566.36-182,871.84-78,813.14

Finding the Fourth Proportional to 132,566.36, 182,871.84 and 78,813.14

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Solution

The fourth proportional to 132,566.36, 182,871.84 and 78,813.14 is: 108,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,566.36 : 182,871.84 = 78,813.14 : x
  2. Step 2: Convert to fraction form
    132,566.36/182,871.84 = 78,813.14/x
  3. Step 3: Cross multiply
    132,566.36x = 182,871.84 × 78,813.14
  4. Step 4: Simplify right side
    132,566.36x = 14,412,703,927.98
  5. Step 5: Solve for x
    x = 14,412,703,927.98/132,566.36
  6. Step 6: Final answer
    x = 108,720.67

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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.