Home / 147,523.63-203,581.68-83,861.43

Finding the Fourth Proportional to 147,523.63, 203,581.68 and 83,861.43

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Solution

The fourth proportional to 147,523.63, 203,581.68 and 83,861.43 is: 115,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,523.63 : 203,581.68 = 83,861.43 : x
  2. Step 2: Convert to fraction form
    147,523.63/203,581.68 = 83,861.43/x
  3. Step 3: Cross multiply
    147,523.63x = 203,581.68 × 83,861.43
  4. Step 4: Simplify right side
    147,523.63x = 17,072,649,964.55
  5. Step 5: Solve for x
    x = 17,072,649,964.55/147,523.63
  6. Step 6: Final answer
    x = 115,728.24

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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.