Home / 119,112.34-164,375.36-65,400.83

Finding the Fourth Proportional to 119,112.34, 164,375.36 and 65,400.83

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Solution

The fourth proportional to 119,112.34, 164,375.36 and 65,400.83 is: 90,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,112.34 : 164,375.36 = 65,400.83 : x
  2. Step 2: Convert to fraction form
    119,112.34/164,375.36 = 65,400.83/x
  3. Step 3: Cross multiply
    119,112.34x = 164,375.36 × 65,400.83
  4. Step 4: Simplify right side
    119,112.34x = 10,750,285,612.94
  5. Step 5: Solve for x
    x = 10,750,285,612.94/119,112.34
  6. Step 6: Final answer
    x = 90,253.33

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1.5x scale

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.