Home / 123,383.22-185,151-48,490.20

Finding the Fourth Proportional to 123,383.22, 185,151 and 48,490.20

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Solution

The fourth proportional to 123,383.22, 185,151 and 48,490.20 is: 72,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.22 : 185,151 = 48,490.20 : x
  2. Step 2: Convert to fraction form
    123,383.22/185,151 = 48,490.20/x
  3. Step 3: Cross multiply
    123,383.22x = 185,151 × 48,490.20
  4. Step 4: Simplify right side
    123,383.22x = 8,978,009,020.20
  5. Step 5: Solve for x
    x = 8,978,009,020.20/123,383.22
  6. Step 6: Final answer
    x = 72,765.24

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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.