Home / 178,067.90-266,713.64-89,166.34

Finding the Fourth Proportional to 178,067.90, 266,713.64 and 89,166.34

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Solution

The fourth proportional to 178,067.90, 266,713.64 and 89,166.34 is: 133,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,067.90 : 266,713.64 = 89,166.34 : x
  2. Step 2: Convert to fraction form
    178,067.90/266,713.64 = 89,166.34/x
  3. Step 3: Cross multiply
    178,067.90x = 266,713.64 × 89,166.34
  4. Step 4: Simplify right side
    178,067.90x = 23,781,879,106.88
  5. Step 5: Solve for x
    x = 23,781,879,106.88/178,067.90
  6. Step 6: Final answer
    x = 133,555.12

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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.