Home / 180,769.20-271,130.64-47,659.92

Finding the Fourth Proportional to 180,769.20, 271,130.64 and 47,659.92

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Solution

The fourth proportional to 180,769.20, 271,130.64 and 47,659.92 is: 71,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,769.20 : 271,130.64 = 47,659.92 : x
  2. Step 2: Convert to fraction form
    180,769.20/271,130.64 = 47,659.92/x
  3. Step 3: Cross multiply
    180,769.20x = 271,130.64 × 47,659.92
  4. Step 4: Simplify right side
    180,769.20x = 12,922,064,611.95
  5. Step 5: Solve for x
    x = 12,922,064,611.95/180,769.20
  6. Step 6: Final answer
    x = 71,483.77

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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.