Home / 197,765.14-272,964.72-112,931.41

Finding the Fourth Proportional to 197,765.14, 272,964.72 and 112,931.41

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Solution

The fourth proportional to 197,765.14, 272,964.72 and 112,931.41 is: 155,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,765.14 : 272,964.72 = 112,931.41 : x
  2. Step 2: Convert to fraction form
    197,765.14/272,964.72 = 112,931.41/x
  3. Step 3: Cross multiply
    197,765.14x = 272,964.72 × 112,931.41
  4. Step 4: Simplify right side
    197,765.14x = 30,826,290,709.86
  5. Step 5: Solve for x
    x = 30,826,290,709.86/197,765.14
  6. Step 6: Final answer
    x = 155,873.23

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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.