Home / 156,930.14-235,321.22-57,019.88

Finding the Fourth Proportional to 156,930.14, 235,321.22 and 57,019.88

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Solution

The fourth proportional to 156,930.14, 235,321.22 and 57,019.88 is: 85,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.14 : 235,321.22 = 57,019.88 : x
  2. Step 2: Convert to fraction form
    156,930.14/235,321.22 = 57,019.88/x
  3. Step 3: Cross multiply
    156,930.14x = 235,321.22 × 57,019.88
  4. Step 4: Simplify right side
    156,930.14x = 13,417,987,725.85
  5. Step 5: Solve for x
    x = 13,417,987,725.85/156,930.14
  6. Step 6: Final answer
    x = 85,502.94

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1.5x scale

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.