Home / 197,454.73-272,400.96-115,741.56

Finding the Fourth Proportional to 197,454.73, 272,400.96 and 115,741.56

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Solution

The fourth proportional to 197,454.73, 272,400.96 and 115,741.56 is: 159,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,454.73 : 272,400.96 = 115,741.56 : x
  2. Step 2: Convert to fraction form
    197,454.73/272,400.96 = 115,741.56/x
  3. Step 3: Cross multiply
    197,454.73x = 272,400.96 × 115,741.56
  4. Step 4: Simplify right side
    197,454.73x = 31,528,112,055.90
  5. Step 5: Solve for x
    x = 31,528,112,055.90/197,454.73
  6. Step 6: Final answer
    x = 159,672.61

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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.