Home / 186,905.80-257,929.93-102,022.86

Finding the Fourth Proportional to 186,905.80, 257,929.93 and 102,022.86

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Solution

The fourth proportional to 186,905.80, 257,929.93 and 102,022.86 is: 140,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,905.80 : 257,929.93 = 102,022.86 : x
  2. Step 2: Convert to fraction form
    186,905.80/257,929.93 = 102,022.86/x
  3. Step 3: Cross multiply
    186,905.80x = 257,929.93 × 102,022.86
  4. Step 4: Simplify right side
    186,905.80x = 26,314,749,138.20
  5. Step 5: Solve for x
    x = 26,314,749,138.20/186,905.80
  6. Step 6: Final answer
    x = 140,791.51

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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.