Home / 119,027.69-164,257.74-65,313.59

Finding the Fourth Proportional to 119,027.69, 164,257.74 and 65,313.59

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Solution

The fourth proportional to 119,027.69, 164,257.74 and 65,313.59 is: 90,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,027.69 : 164,257.74 = 65,313.59 : x
  2. Step 2: Convert to fraction form
    119,027.69/164,257.74 = 65,313.59/x
  3. Step 3: Cross multiply
    119,027.69x = 164,257.74 × 65,313.59
  4. Step 4: Simplify right side
    119,027.69x = 10,728,261,863.40
  5. Step 5: Solve for x
    x = 10,728,261,863.40/119,027.69
  6. Step 6: Final answer
    x = 90,132.49

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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.