Home / 110,675.64-152,765.10-77,152.44

Finding the Fourth Proportional to 110,675.64, 152,765.10 and 77,152.44

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Solution

The fourth proportional to 110,675.64, 152,765.10 and 77,152.44 is: 106,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,675.64 : 152,765.10 = 77,152.44 : x
  2. Step 2: Convert to fraction form
    110,675.64/152,765.10 = 77,152.44/x
  3. Step 3: Cross multiply
    110,675.64x = 152,765.10 × 77,152.44
  4. Step 4: Simplify right side
    110,675.64x = 11,786,200,211.84
  5. Step 5: Solve for x
    x = 11,786,200,211.84/110,675.64
  6. Step 6: Final answer
    x = 106,493.17

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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.