Home / 156,540.84-234,709.16-103,071.04

Finding the Fourth Proportional to 156,540.84, 234,709.16 and 103,071.04

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Solution

The fourth proportional to 156,540.84, 234,709.16 and 103,071.04 is: 154,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,540.84 : 234,709.16 = 103,071.04 : x
  2. Step 2: Convert to fraction form
    156,540.84/234,709.16 = 103,071.04/x
  3. Step 3: Cross multiply
    156,540.84x = 234,709.16 × 103,071.04
  4. Step 4: Simplify right side
    156,540.84x = 24,191,717,218.73
  5. Step 5: Solve for x
    x = 24,191,717,218.73/156,540.84
  6. Step 6: Final answer
    x = 154,539.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.