Home / 142,541.68-196,705.00-82,112.13

Finding the Fourth Proportional to 142,541.68, 196,705.00 and 82,112.13

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Solution

The fourth proportional to 142,541.68, 196,705.00 and 82,112.13 is: 113,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,541.68 : 196,705.00 = 82,112.13 : x
  2. Step 2: Convert to fraction form
    142,541.68/196,705.00 = 82,112.13/x
  3. Step 3: Cross multiply
    142,541.68x = 196,705.00 × 82,112.13
  4. Step 4: Simplify right side
    142,541.68x = 16,151,867,302.99
  5. Step 5: Solve for x
    x = 16,151,867,302.99/142,541.68
  6. Step 6: Final answer
    x = 113,313.30

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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.