Home / 149,269.43-205,774.20-113,397.18

Finding the Fourth Proportional to 149,269.43, 205,774.20 and 113,397.18

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Solution

The fourth proportional to 149,269.43, 205,774.20 and 113,397.18 is: 156,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,269.43 : 205,774.20 = 113,397.18 : x
  2. Step 2: Convert to fraction form
    149,269.43/205,774.20 = 113,397.18/x
  3. Step 3: Cross multiply
    149,269.43x = 205,774.20 × 113,397.18
  4. Step 4: Simplify right side
    149,269.43x = 23,334,213,996.76
  5. Step 5: Solve for x
    x = 23,334,213,996.76/149,269.43
  6. Step 6: Final answer
    x = 156,322.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.