Home / 136,390.23-188,143.11-113,535.27

Finding the Fourth Proportional to 136,390.23, 188,143.11 and 113,535.27

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Solution

The fourth proportional to 136,390.23, 188,143.11 and 113,535.27 is: 156,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,390.23 : 188,143.11 = 113,535.27 : x
  2. Step 2: Convert to fraction form
    136,390.23/188,143.11 = 113,535.27/x
  3. Step 3: Cross multiply
    136,390.23x = 188,143.11 × 113,535.27
  4. Step 4: Simplify right side
    136,390.23x = 21,360,878,792.49
  5. Step 5: Solve for x
    x = 21,360,878,792.49/136,390.23
  6. Step 6: Final answer
    x = 156,615.90

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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.