Home / 186,540.08-257,499.96-111,074

Finding the Fourth Proportional to 186,540.08, 257,499.96 and 111,074

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Solution

The fourth proportional to 186,540.08, 257,499.96 and 111,074 is: 153,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,540.08 : 257,499.96 = 111,074 : x
  2. Step 2: Convert to fraction form
    186,540.08/257,499.96 = 111,074/x
  3. Step 3: Cross multiply
    186,540.08x = 257,499.96 × 111,074
  4. Step 4: Simplify right side
    186,540.08x = 28,601,550,557.04
  5. Step 5: Solve for x
    x = 28,601,550,557.04/186,540.08
  6. Step 6: Final answer
    x = 153,326.57

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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.