Home / 166,536.61-249,818.58-54,186.77

Finding the Fourth Proportional to 166,536.61, 249,818.58 and 54,186.77

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Solution

The fourth proportional to 166,536.61, 249,818.58 and 54,186.77 is: 81,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,536.61 : 249,818.58 = 54,186.77 : x
  2. Step 2: Convert to fraction form
    166,536.61/249,818.58 = 54,186.77/x
  3. Step 3: Cross multiply
    166,536.61x = 249,818.58 × 54,186.77
  4. Step 4: Simplify right side
    166,536.61x = 13,536,862,560.73
  5. Step 5: Solve for x
    x = 13,536,862,560.73/166,536.61
  6. Step 6: Final answer
    x = 81,284.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.