Home / 201,861.40-302,427.60-117,552.55

Finding the Fourth Proportional to 201,861.40, 302,427.60 and 117,552.55

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Solution

The fourth proportional to 201,861.40, 302,427.60 and 117,552.55 is: 176,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,861.40 : 302,427.60 = 117,552.55 : x
  2. Step 2: Convert to fraction form
    201,861.40/302,427.60 = 117,552.55/x
  3. Step 3: Cross multiply
    201,861.40x = 302,427.60 × 117,552.55
  4. Step 4: Simplify right side
    201,861.40x = 35,551,135,570.38
  5. Step 5: Solve for x
    x = 35,551,135,570.38/201,861.40
  6. Step 6: Final answer
    x = 176,116.56

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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.