Home / 156,449.94-234,433.32-105,649.84

Finding the Fourth Proportional to 156,449.94, 234,433.32 and 105,649.84

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Solution

The fourth proportional to 156,449.94, 234,433.32 and 105,649.84 is: 158,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,449.94 : 234,433.32 = 105,649.84 : x
  2. Step 2: Convert to fraction form
    156,449.94/234,433.32 = 105,649.84/x
  3. Step 3: Cross multiply
    156,449.94x = 234,433.32 × 105,649.84
  4. Step 4: Simplify right side
    156,449.94x = 24,767,842,748.67
  5. Step 5: Solve for x
    x = 24,767,842,748.67/156,449.94
  6. Step 6: Final answer
    x = 158,311.62

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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.