Home / 197,453.73-272,399.58-115,740.56

Finding the Fourth Proportional to 197,453.73, 272,399.58 and 115,740.56

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Solution

The fourth proportional to 197,453.73, 272,399.58 and 115,740.56 is: 159,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,453.73 : 272,399.58 = 115,740.56 : x
  2. Step 2: Convert to fraction form
    197,453.73/272,399.58 = 115,740.56/x
  3. Step 3: Cross multiply
    197,453.73x = 272,399.58 × 115,740.56
  4. Step 4: Simplify right side
    197,453.73x = 31,527,679,081.72
  5. Step 5: Solve for x
    x = 31,527,679,081.72/197,453.73
  6. Step 6: Final answer
    x = 159,671.23

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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.