Home / 166,645.16-249,988.44-54,336.68

Finding the Fourth Proportional to 166,645.16, 249,988.44 and 54,336.68

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Solution

The fourth proportional to 166,645.16, 249,988.44 and 54,336.68 is: 81,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,645.16 : 249,988.44 = 54,336.68 : x
  2. Step 2: Convert to fraction form
    166,645.16/249,988.44 = 54,336.68/x
  3. Step 3: Cross multiply
    166,645.16x = 249,988.44 × 54,336.68
  4. Step 4: Simplify right side
    166,645.16x = 13,583,541,867.98
  5. Step 5: Solve for x
    x = 13,583,541,867.98/166,645.16
  6. Step 6: Final answer
    x = 81,511.77

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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.