Home / 166,825.36-250,063.08-78,004

Finding the Fourth Proportional to 166,825.36, 250,063.08 and 78,004

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Solution

The fourth proportional to 166,825.36, 250,063.08 and 78,004 is: 116,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,825.36 : 250,063.08 = 78,004 : x
  2. Step 2: Convert to fraction form
    166,825.36/250,063.08 = 78,004/x
  3. Step 3: Cross multiply
    166,825.36x = 250,063.08 × 78,004
  4. Step 4: Simplify right side
    166,825.36x = 19,505,920,492.32
  5. Step 5: Solve for x
    x = 19,505,920,492.32/166,825.36
  6. Step 6: Final answer
    x = 116,924.19

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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.