Home / 186,546.17-257,426.20-101,661.41

Finding the Fourth Proportional to 186,546.17, 257,426.20 and 101,661.41

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Solution

The fourth proportional to 186,546.17, 257,426.20 and 101,661.41 is: 140,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,546.17 : 257,426.20 = 101,661.41 : x
  2. Step 2: Convert to fraction form
    186,546.17/257,426.20 = 101,661.41/x
  3. Step 3: Cross multiply
    186,546.17x = 257,426.20 × 101,661.41
  4. Step 4: Simplify right side
    186,546.17x = 26,170,310,462.94
  5. Step 5: Solve for x
    x = 26,170,310,462.94/186,546.17
  6. Step 6: Final answer
    x = 140,288.65

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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.