Home / 110,931.63-166,330.77-43,383.18

Finding the Fourth Proportional to 110,931.63, 166,330.77 and 43,383.18

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Solution

The fourth proportional to 110,931.63, 166,330.77 and 43,383.18 is: 65,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,931.63 : 166,330.77 = 43,383.18 : x
  2. Step 2: Convert to fraction form
    110,931.63/166,330.77 = 43,383.18/x
  3. Step 3: Cross multiply
    110,931.63x = 166,330.77 × 43,383.18
  4. Step 4: Simplify right side
    110,931.63x = 7,215,957,734.45
  5. Step 5: Solve for x
    x = 7,215,957,734.45/110,931.63
  6. Step 6: Final answer
    x = 65,048.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.