Home / 186,023.60-256,709.76-101,139.92

Finding the Fourth Proportional to 186,023.60, 256,709.76 and 101,139.92

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Solution

The fourth proportional to 186,023.60, 256,709.76 and 101,139.92 is: 139,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,023.60 : 256,709.76 = 101,139.92 : x
  2. Step 2: Convert to fraction form
    186,023.60/256,709.76 = 101,139.92/x
  3. Step 3: Cross multiply
    186,023.60x = 256,709.76 × 101,139.92
  4. Step 4: Simplify right side
    186,023.60x = 25,963,604,589.62
  5. Step 5: Solve for x
    x = 25,963,604,589.62/186,023.60
  6. Step 6: Final answer
    x = 139,571.56

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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.