Home / 111,270.23-166,931.60-36,390.08

Finding the Fourth Proportional to 111,270.23, 166,931.60 and 36,390.08

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Solution

The fourth proportional to 111,270.23, 166,931.60 and 36,390.08 is: 54,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,270.23 : 166,931.60 = 36,390.08 : x
  2. Step 2: Convert to fraction form
    111,270.23/166,931.60 = 36,390.08/x
  3. Step 3: Cross multiply
    111,270.23x = 166,931.60 × 36,390.08
  4. Step 4: Simplify right side
    111,270.23x = 6,074,654,278.53
  5. Step 5: Solve for x
    x = 6,074,654,278.53/111,270.23
  6. Step 6: Final answer
    x = 54,593.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.