Home / 451,139.76-676,656.96-181,257.02

Finding the Fourth Proportional to 451,139.76, 676,656.96 and 181,257.02

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Solution

The fourth proportional to 451,139.76, 676,656.96 and 181,257.02 is: 271,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,139.76 : 676,656.96 = 181,257.02 : x
  2. Step 2: Convert to fraction form
    451,139.76/676,656.96 = 181,257.02/x
  3. Step 3: Cross multiply
    451,139.76x = 676,656.96 × 181,257.02
  4. Step 4: Simplify right side
    451,139.76x = 122,648,819,842.29
  5. Step 5: Solve for x
    x = 122,648,819,842.29/451,139.76
  6. Step 6: Final answer
    x = 271,864.36

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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.