Home / 186,383.43-257,173.79-109,926.52

Finding the Fourth Proportional to 186,383.43, 257,173.79 and 109,926.52

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Solution

The fourth proportional to 186,383.43, 257,173.79 and 109,926.52 is: 151,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,383.43 : 257,173.79 = 109,926.52 : x
  2. Step 2: Convert to fraction form
    186,383.43/257,173.79 = 109,926.52/x
  3. Step 3: Cross multiply
    186,383.43x = 257,173.79 × 109,926.52
  4. Step 4: Simplify right side
    186,383.43x = 28,270,218,577.34
  5. Step 5: Solve for x
    x = 28,270,218,577.34/186,383.43
  6. Step 6: Final answer
    x = 151,677.75

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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.