Home / 121,492.33-182,240.12-42,608.86

Finding the Fourth Proportional to 121,492.33, 182,240.12 and 42,608.86

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Solution

The fourth proportional to 121,492.33, 182,240.12 and 42,608.86 is: 63,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,492.33 : 182,240.12 = 42,608.86 : x
  2. Step 2: Convert to fraction form
    121,492.33/182,240.12 = 42,608.86/x
  3. Step 3: Cross multiply
    121,492.33x = 182,240.12 × 42,608.86
  4. Step 4: Simplify right side
    121,492.33x = 7,765,043,759.46
  5. Step 5: Solve for x
    x = 7,765,043,759.46/121,492.33
  6. Step 6: Final answer
    x = 63,913.86

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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.