Home / 186,918.44-257,942.49-171,871.88

Finding the Fourth Proportional to 186,918.44, 257,942.49 and 171,871.88

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Solution

The fourth proportional to 186,918.44, 257,942.49 and 171,871.88 is: 237,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,918.44 : 257,942.49 = 171,871.88 : x
  2. Step 2: Convert to fraction form
    186,918.44/257,942.49 = 171,871.88/x
  3. Step 3: Cross multiply
    186,918.44x = 257,942.49 × 171,871.88
  4. Step 4: Simplify right side
    186,918.44x = 44,333,060,688.18
  5. Step 5: Solve for x
    x = 44,333,060,688.18/186,918.44
  6. Step 6: Final answer
    x = 237,178.64

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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.