Home / 156,635.58-234,752.22-71,184

Finding the Fourth Proportional to 156,635.58, 234,752.22 and 71,184

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Solution

The fourth proportional to 156,635.58, 234,752.22 and 71,184 is: 106,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635.58 : 234,752.22 = 71,184 : x
  2. Step 2: Convert to fraction form
    156,635.58/234,752.22 = 71,184/x
  3. Step 3: Cross multiply
    156,635.58x = 234,752.22 × 71,184
  4. Step 4: Simplify right side
    156,635.58x = 16,710,602,028.48
  5. Step 5: Solve for x
    x = 16,710,602,028.48/156,635.58
  6. Step 6: Final answer
    x = 106,684.59

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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.