Home / 156,574.20-234,900.18-73,371

Finding the Fourth Proportional to 156,574.20, 234,900.18 and 73,371

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Solution

The fourth proportional to 156,574.20, 234,900.18 and 73,371 is: 110,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,574.20 : 234,900.18 = 73,371 : x
  2. Step 2: Convert to fraction form
    156,574.20/234,900.18 = 73,371/x
  3. Step 3: Cross multiply
    156,574.20x = 234,900.18 × 73,371
  4. Step 4: Simplify right side
    156,574.20x = 17,234,861,106.78
  5. Step 5: Solve for x
    x = 17,234,861,106.78/156,574.20
  6. Step 6: Final answer
    x = 110,074.72

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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.