Home / 186,865.78-257,871.18-101,983.46

Finding the Fourth Proportional to 186,865.78, 257,871.18 and 101,983.46

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Solution

The fourth proportional to 186,865.78, 257,871.18 and 101,983.46 is: 140,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,865.78 : 257,871.18 = 101,983.46 : x
  2. Step 2: Convert to fraction form
    186,865.78/257,871.18 = 101,983.46/x
  3. Step 3: Cross multiply
    186,865.78x = 257,871.18 × 101,983.46
  4. Step 4: Simplify right side
    186,865.78x = 26,298,595,170.68
  5. Step 5: Solve for x
    x = 26,298,595,170.68/186,865.78
  6. Step 6: Final answer
    x = 140,735.21

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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.