Home / 136,586.32-188,519.30-88,756.63

Finding the Fourth Proportional to 136,586.32, 188,519.30 and 88,756.63

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Solution

The fourth proportional to 136,586.32, 188,519.30 and 88,756.63 is: 122,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,586.32 : 188,519.30 = 88,756.63 : x
  2. Step 2: Convert to fraction form
    136,586.32/188,519.30 = 88,756.63/x
  3. Step 3: Cross multiply
    136,586.32x = 188,519.30 × 88,756.63
  4. Step 4: Simplify right side
    136,586.32x = 16,732,337,175.72
  5. Step 5: Solve for x
    x = 16,732,337,175.72/136,586.32
  6. Step 6: Final answer
    x = 122,503.76

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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.