Home / 197,372.43-272,357.51-111,326.67

Finding the Fourth Proportional to 197,372.43, 272,357.51 and 111,326.67

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Solution

The fourth proportional to 197,372.43, 272,357.51 and 111,326.67 is: 153,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,372.43 : 272,357.51 = 111,326.67 : x
  2. Step 2: Convert to fraction form
    197,372.43/272,357.51 = 111,326.67/x
  3. Step 3: Cross multiply
    197,372.43x = 272,357.51 × 111,326.67
  4. Step 4: Simplify right side
    197,372.43x = 30,320,654,081.16
  5. Step 5: Solve for x
    x = 30,320,654,081.16/197,372.43
  6. Step 6: Final answer
    x = 153,621.53

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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.