Home / 121,493.83-182,242.37-42,610.36

Finding the Fourth Proportional to 121,493.83, 182,242.37 and 42,610.36

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Solution

The fourth proportional to 121,493.83, 182,242.37 and 42,610.36 is: 63,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,493.83 : 182,242.37 = 42,610.36 : x
  2. Step 2: Convert to fraction form
    121,493.83/182,242.37 = 42,610.36/x
  3. Step 3: Cross multiply
    121,493.83x = 182,242.37 × 42,610.36
  4. Step 4: Simplify right side
    121,493.83x = 7,765,412,992.95
  5. Step 5: Solve for x
    x = 7,765,412,992.95/121,493.83
  6. Step 6: Final answer
    x = 63,916.11

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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.