Home / 119,149.37-164,427.26-65,435.50

Finding the Fourth Proportional to 119,149.37, 164,427.26 and 65,435.50

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Solution

The fourth proportional to 119,149.37, 164,427.26 and 65,435.50 is: 90,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,149.37 : 164,427.26 = 65,435.50 : x
  2. Step 2: Convert to fraction form
    119,149.37/164,427.26 = 65,435.50/x
  3. Step 3: Cross multiply
    119,149.37x = 164,427.26 × 65,435.50
  4. Step 4: Simplify right side
    119,149.37x = 10,759,379,971.73
  5. Step 5: Solve for x
    x = 10,759,379,971.73/119,149.37
  6. Step 6: Final answer
    x = 90,301.61

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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.