Home / 186,691.40-257,627.27-101,806.64

Finding the Fourth Proportional to 186,691.40, 257,627.27 and 101,806.64

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Solution

The fourth proportional to 186,691.40, 257,627.27 and 101,806.64 is: 140,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,691.40 : 257,627.27 = 101,806.64 : x
  2. Step 2: Convert to fraction form
    186,691.40/257,627.27 = 101,806.64/x
  3. Step 3: Cross multiply
    186,691.40x = 257,627.27 × 101,806.64
  4. Step 4: Simplify right side
    186,691.40x = 26,228,164,933.90
  5. Step 5: Solve for x
    x = 26,228,164,933.90/186,691.40
  6. Step 6: Final answer
    x = 140,489.42

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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.