Home / 166,447.52-249,453.84-76,457.60

Finding the Fourth Proportional to 166,447.52, 249,453.84 and 76,457.60

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Solution

The fourth proportional to 166,447.52, 249,453.84 and 76,457.60 is: 114,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,447.52 : 249,453.84 = 76,457.60 : x
  2. Step 2: Convert to fraction form
    166,447.52/249,453.84 = 76,457.60/x
  3. Step 3: Cross multiply
    166,447.52x = 249,453.84 × 76,457.60
  4. Step 4: Simplify right side
    166,447.52x = 19,072,641,917.18
  5. Step 5: Solve for x
    x = 19,072,641,917.18/166,447.52
  6. Step 6: Final answer
    x = 114,586.52

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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.