Home / 167,037.69-250,437.50-78,242.76

Finding the Fourth Proportional to 167,037.69, 250,437.50 and 78,242.76

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Solution

The fourth proportional to 167,037.69, 250,437.50 and 78,242.76 is: 117,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,037.69 : 250,437.50 = 78,242.76 : x
  2. Step 2: Convert to fraction form
    167,037.69/250,437.50 = 78,242.76/x
  3. Step 3: Cross multiply
    167,037.69x = 250,437.50 × 78,242.76
  4. Step 4: Simplify right side
    167,037.69x = 19,594,919,564.10
  5. Step 5: Solve for x
    x = 19,594,919,564.10/167,037.69
  6. Step 6: Final answer
    x = 117,308.37

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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.