Home / 197,404.24-272,416.62-112,520.29

Finding the Fourth Proportional to 197,404.24, 272,416.62 and 112,520.29

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Solution

The fourth proportional to 197,404.24, 272,416.62 and 112,520.29 is: 155,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,404.24 : 272,416.62 = 112,520.29 : x
  2. Step 2: Convert to fraction form
    197,404.24/272,416.62 = 112,520.29/x
  3. Step 3: Cross multiply
    197,404.24x = 272,416.62 × 112,520.29
  4. Step 4: Simplify right side
    197,404.24x = 30,652,397,083.22
  5. Step 5: Solve for x
    x = 30,652,397,083.22/197,404.24
  6. Step 6: Final answer
    x = 155,277.30

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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.