Home / 186,429.25-257,305.71-109,943.65

Finding the Fourth Proportional to 186,429.25, 257,305.71 and 109,943.65

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Solution

The fourth proportional to 186,429.25, 257,305.71 and 109,943.65 is: 151,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,429.25 : 257,305.71 = 109,943.65 : x
  2. Step 2: Convert to fraction form
    186,429.25/257,305.71 = 109,943.65/x
  3. Step 3: Cross multiply
    186,429.25x = 257,305.71 × 109,943.65
  4. Step 4: Simplify right side
    186,429.25x = 28,289,128,923.24
  5. Step 5: Solve for x
    x = 28,289,128,923.24/186,429.25
  6. Step 6: Final answer
    x = 151,741.90

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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.