Home / 131,426.28-197,279.70-56,583.48

Finding the Fourth Proportional to 131,426.28, 197,279.70 and 56,583.48

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Solution

The fourth proportional to 131,426.28, 197,279.70 and 56,583.48 is: 84,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,426.28 : 197,279.70 = 56,583.48 : x
  2. Step 2: Convert to fraction form
    131,426.28/197,279.70 = 56,583.48/x
  3. Step 3: Cross multiply
    131,426.28x = 197,279.70 × 56,583.48
  4. Step 4: Simplify right side
    131,426.28x = 11,162,771,959.36
  5. Step 5: Solve for x
    x = 11,162,771,959.36/131,426.28
  6. Step 6: Final answer
    x = 84,935.62

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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.