Home / 119,181.10-164,470.98-65,467.21

Finding the Fourth Proportional to 119,181.10, 164,470.98 and 65,467.21

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Solution

The fourth proportional to 119,181.10, 164,470.98 and 65,467.21 is: 90,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,181.10 : 164,470.98 = 65,467.21 : x
  2. Step 2: Convert to fraction form
    119,181.10/164,470.98 = 65,467.21/x
  3. Step 3: Cross multiply
    119,181.10x = 164,470.98 × 65,467.21
  4. Step 4: Simplify right side
    119,181.10x = 10,767,456,186.57
  5. Step 5: Solve for x
    x = 10,767,456,186.57/119,181.10
  6. Step 6: Final answer
    x = 90,345.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.