Home / 188,738.24-260,459.64-108,170.52

Finding the Fourth Proportional to 188,738.24, 260,459.64 and 108,170.52

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Solution

The fourth proportional to 188,738.24, 260,459.64 and 108,170.52 is: 149,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,738.24 : 260,459.64 = 108,170.52 : x
  2. Step 2: Convert to fraction form
    188,738.24/260,459.64 = 108,170.52/x
  3. Step 3: Cross multiply
    188,738.24x = 260,459.64 × 108,170.52
  4. Step 4: Simplify right side
    188,738.24x = 28,174,054,697.81
  5. Step 5: Solve for x
    x = 28,174,054,697.81/188,738.24
  6. Step 6: Final answer
    x = 149,275.82

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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.