Home / 156,906.82-235,460.47-57,057.51

Finding the Fourth Proportional to 156,906.82, 235,460.47 and 57,057.51

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Solution

The fourth proportional to 156,906.82, 235,460.47 and 57,057.51 is: 85,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,906.82 : 235,460.47 = 57,057.51 : x
  2. Step 2: Convert to fraction form
    156,906.82/235,460.47 = 57,057.51/x
  3. Step 3: Cross multiply
    156,906.82x = 235,460.47 × 57,057.51
  4. Step 4: Simplify right side
    156,906.82x = 13,434,788,121.63
  5. Step 5: Solve for x
    x = 13,434,788,121.63/156,906.82
  6. Step 6: Final answer
    x = 85,622.72

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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.