Home / 238,847.12-329,611.92-136,876.76

Finding the Fourth Proportional to 238,847.12, 329,611.92 and 136,876.76

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Solution

The fourth proportional to 238,847.12, 329,611.92 and 136,876.76 is: 188,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,847.12 : 329,611.92 = 136,876.76 : x
  2. Step 2: Convert to fraction form
    238,847.12/329,611.92 = 136,876.76/x
  3. Step 3: Cross multiply
    238,847.12x = 329,611.92 × 136,876.76
  4. Step 4: Simplify right side
    238,847.12x = 45,116,211,666.98
  5. Step 5: Solve for x
    x = 45,116,211,666.98/238,847.12
  6. Step 6: Final answer
    x = 188,891.59

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1.5x scale

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.