Home / 136,501.11-188,320.29-82,766.52

Finding the Fourth Proportional to 136,501.11, 188,320.29 and 82,766.52

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Solution

The fourth proportional to 136,501.11, 188,320.29 and 82,766.52 is: 114,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,501.11 : 188,320.29 = 82,766.52 : x
  2. Step 2: Convert to fraction form
    136,501.11/188,320.29 = 82,766.52/x
  3. Step 3: Cross multiply
    136,501.11x = 188,320.29 × 82,766.52
  4. Step 4: Simplify right side
    136,501.11x = 15,586,615,048.69
  5. Step 5: Solve for x
    x = 15,586,615,048.69/136,501.11
  6. Step 6: Final answer
    x = 114,186.73

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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.