Home / 111,319.66-167,034.30-52,145.11

Finding the Fourth Proportional to 111,319.66, 167,034.30 and 52,145.11

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Solution

The fourth proportional to 111,319.66, 167,034.30 and 52,145.11 is: 78,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,319.66 : 167,034.30 = 52,145.11 : x
  2. Step 2: Convert to fraction form
    111,319.66/167,034.30 = 52,145.11/x
  3. Step 3: Cross multiply
    111,319.66x = 167,034.30 × 52,145.11
  4. Step 4: Simplify right side
    111,319.66x = 8,710,021,947.27
  5. Step 5: Solve for x
    x = 8,710,021,947.27/111,319.66
  6. Step 6: Final answer
    x = 78,243.34

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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.