Home / 119,027.64-164,260.62-65,309.52

Finding the Fourth Proportional to 119,027.64, 164,260.62 and 65,309.52

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Solution

The fourth proportional to 119,027.64, 164,260.62 and 65,309.52 is: 90,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,027.64 : 164,260.62 = 65,309.52 : x
  2. Step 2: Convert to fraction form
    119,027.64/164,260.62 = 65,309.52/x
  3. Step 3: Cross multiply
    119,027.64x = 164,260.62 × 65,309.52
  4. Step 4: Simplify right side
    119,027.64x = 10,727,782,247.10
  5. Step 5: Solve for x
    x = 10,727,782,247.10/119,027.64
  6. Step 6: Final answer
    x = 90,128.50

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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.