Home / 156,453.66-234,709.68-71,070.52

Finding the Fourth Proportional to 156,453.66, 234,709.68 and 71,070.52

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Solution

The fourth proportional to 156,453.66, 234,709.68 and 71,070.52 is: 106,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,453.66 : 234,709.68 = 71,070.52 : x
  2. Step 2: Convert to fraction form
    156,453.66/234,709.68 = 71,070.52/x
  3. Step 3: Cross multiply
    156,453.66x = 234,709.68 × 71,070.52
  4. Step 4: Simplify right side
    156,453.66x = 16,680,937,833.09
  5. Step 5: Solve for x
    x = 16,680,937,833.09/156,453.66
  6. Step 6: Final answer
    x = 106,619.03

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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.