Home / 121,524.75-182,316.29-38,418.75

Finding the Fourth Proportional to 121,524.75, 182,316.29 and 38,418.75

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Solution

The fourth proportional to 121,524.75, 182,316.29 and 38,418.75 is: 57,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,524.75 : 182,316.29 = 38,418.75 : x
  2. Step 2: Convert to fraction form
    121,524.75/182,316.29 = 38,418.75/x
  3. Step 3: Cross multiply
    121,524.75x = 182,316.29 × 38,418.75
  4. Step 4: Simplify right side
    121,524.75x = 7,004,363,774.34
  5. Step 5: Solve for x
    x = 7,004,363,774.34/121,524.75
  6. Step 6: Final answer
    x = 57,637.34

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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.