Home / 218,516.05-301,562.36-132,477.72

Finding the Fourth Proportional to 218,516.05, 301,562.36 and 132,477.72

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Solution

The fourth proportional to 218,516.05, 301,562.36 and 132,477.72 is: 182,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,516.05 : 301,562.36 = 132,477.72 : x
  2. Step 2: Convert to fraction form
    218,516.05/301,562.36 = 132,477.72/x
  3. Step 3: Cross multiply
    218,516.05x = 301,562.36 × 132,477.72
  4. Step 4: Simplify right side
    218,516.05x = 39,950,293,890.62
  5. Step 5: Solve for x
    x = 39,950,293,890.62/218,516.05
  6. Step 6: Final answer
    x = 182,825.44

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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.