Home / 186,372.85-257,197.46-101,489.85

Finding the Fourth Proportional to 186,372.85, 257,197.46 and 101,489.85

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Solution

The fourth proportional to 186,372.85, 257,197.46 and 101,489.85 is: 140,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,372.85 : 257,197.46 = 101,489.85 : x
  2. Step 2: Convert to fraction form
    186,372.85/257,197.46 = 101,489.85/x
  3. Step 3: Cross multiply
    186,372.85x = 257,197.46 × 101,489.85
  4. Step 4: Simplify right side
    186,372.85x = 26,102,930,603.52
  5. Step 5: Solve for x
    x = 26,102,930,603.52/186,372.85
  6. Step 6: Final answer
    x = 140,057.58

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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.