Home / 136,437.86-188,232.49-82,703.27

Finding the Fourth Proportional to 136,437.86, 188,232.49 and 82,703.27

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Solution

The fourth proportional to 136,437.86, 188,232.49 and 82,703.27 is: 114,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,437.86 : 188,232.49 = 82,703.27 : x
  2. Step 2: Convert to fraction form
    136,437.86/188,232.49 = 82,703.27/x
  3. Step 3: Cross multiply
    136,437.86x = 188,232.49 × 82,703.27
  4. Step 4: Simplify right side
    136,437.86x = 15,567,443,017.20
  5. Step 5: Solve for x
    x = 15,567,443,017.20/136,437.86
  6. Step 6: Final answer
    x = 114,099.14

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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.