Home / 186,546.30-257,426.36-101,661.54

Finding the Fourth Proportional to 186,546.30, 257,426.36 and 101,661.54

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Solution

The fourth proportional to 186,546.30, 257,426.36 and 101,661.54 is: 140,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,546.30 : 257,426.36 = 101,661.54 : x
  2. Step 2: Convert to fraction form
    186,546.30/257,426.36 = 101,661.54/x
  3. Step 3: Cross multiply
    186,546.30x = 257,426.36 × 101,661.54
  4. Step 4: Simplify right side
    186,546.30x = 26,170,360,194.19
  5. Step 5: Solve for x
    x = 26,170,360,194.19/186,546.30
  6. Step 6: Final answer
    x = 140,288.82

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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.