Home / 186,789.44-257,791.20-104,011.76

Finding the Fourth Proportional to 186,789.44, 257,791.20 and 104,011.76

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Solution

The fourth proportional to 186,789.44, 257,791.20 and 104,011.76 is: 143,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789.44 : 257,791.20 = 104,011.76 : x
  2. Step 2: Convert to fraction form
    186,789.44/257,791.20 = 104,011.76/x
  3. Step 3: Cross multiply
    186,789.44x = 257,791.20 × 104,011.76
  4. Step 4: Simplify right side
    186,789.44x = 26,813,316,424.51
  5. Step 5: Solve for x
    x = 26,813,316,424.51/186,789.44
  6. Step 6: Final answer
    x = 143,548.35

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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.