Home / 156,732.14-216,437.97-109,115.69

Finding the Fourth Proportional to 156,732.14, 216,437.97 and 109,115.69

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Solution

The fourth proportional to 156,732.14, 216,437.97 and 109,115.69 is: 150,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732.14 : 216,437.97 = 109,115.69 : x
  2. Step 2: Convert to fraction form
    156,732.14/216,437.97 = 109,115.69/x
  3. Step 3: Cross multiply
    156,732.14x = 216,437.97 × 109,115.69
  4. Step 4: Simplify right side
    156,732.14x = 23,616,778,438.75
  5. Step 5: Solve for x
    x = 23,616,778,438.75/156,732.14
  6. Step 6: Final answer
    x = 150,682.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.