Home / 186,541.92-257,433.30-101,664.45

Finding the Fourth Proportional to 186,541.92, 257,433.30 and 101,664.45

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Solution

The fourth proportional to 186,541.92, 257,433.30 and 101,664.45 is: 140,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,541.92 : 257,433.30 = 101,664.45 : x
  2. Step 2: Convert to fraction form
    186,541.92/257,433.30 = 101,664.45/x
  3. Step 3: Cross multiply
    186,541.92x = 257,433.30 × 101,664.45
  4. Step 4: Simplify right side
    186,541.92x = 26,171,814,856.19
  5. Step 5: Solve for x
    x = 26,171,814,856.19/186,541.92
  6. Step 6: Final answer
    x = 140,299.91

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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.