Home / 186,470.22-257,378.67-114,861.90

Finding the Fourth Proportional to 186,470.22, 257,378.67 and 114,861.90

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Solution

The fourth proportional to 186,470.22, 257,378.67 and 114,861.90 is: 158,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,470.22 : 257,378.67 = 114,861.90 : x
  2. Step 2: Convert to fraction form
    186,470.22/257,378.67 = 114,861.90/x
  3. Step 3: Cross multiply
    186,470.22x = 257,378.67 × 114,861.90
  4. Step 4: Simplify right side
    186,470.22x = 29,563,003,055.67
  5. Step 5: Solve for x
    x = 29,563,003,055.67/186,470.22
  6. Step 6: Final answer
    x = 158,540.08

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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.