Home / 189,197.77-261,094.69-104,317.85

Finding the Fourth Proportional to 189,197.77, 261,094.69 and 104,317.85

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Solution

The fourth proportional to 189,197.77, 261,094.69 and 104,317.85 is: 143,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,197.77 : 261,094.69 = 104,317.85 : x
  2. Step 2: Convert to fraction form
    189,197.77/261,094.69 = 104,317.85/x
  3. Step 3: Cross multiply
    189,197.77x = 261,094.69 × 104,317.85
  4. Step 4: Simplify right side
    189,197.77x = 27,236,836,707.22
  5. Step 5: Solve for x
    x = 27,236,836,707.22/189,197.77
  6. Step 6: Final answer
    x = 143,959.61

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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.