Home / 186,359.20-257,168.67-113,883.28

Finding the Fourth Proportional to 186,359.20, 257,168.67 and 113,883.28

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Solution

The fourth proportional to 186,359.20, 257,168.67 and 113,883.28 is: 157,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,359.20 : 257,168.67 = 113,883.28 : x
  2. Step 2: Convert to fraction form
    186,359.20/257,168.67 = 113,883.28/x
  3. Step 3: Cross multiply
    186,359.20x = 257,168.67 × 113,883.28
  4. Step 4: Simplify right side
    186,359.20x = 29,287,211,652.84
  5. Step 5: Solve for x
    x = 29,287,211,652.84/186,359.20
  6. Step 6: Final answer
    x = 157,154.63

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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.