Home / 186,670.36-257,604.06-101,785.60

Finding the Fourth Proportional to 186,670.36, 257,604.06 and 101,785.60

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Solution

The fourth proportional to 186,670.36, 257,604.06 and 101,785.60 is: 140,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,670.36 : 257,604.06 = 101,785.60 : x
  2. Step 2: Convert to fraction form
    186,670.36/257,604.06 = 101,785.60/x
  3. Step 3: Cross multiply
    186,670.36x = 257,604.06 × 101,785.60
  4. Step 4: Simplify right side
    186,670.36x = 26,220,383,809.54
  5. Step 5: Solve for x
    x = 26,220,383,809.54/186,670.36
  6. Step 6: Final answer
    x = 140,463.56

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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.