Home / 111,636.40-167,311.92-52,341.28

Finding the Fourth Proportional to 111,636.40, 167,311.92 and 52,341.28

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Solution

The fourth proportional to 111,636.40, 167,311.92 and 52,341.28 is: 78,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,636.40 : 167,311.92 = 52,341.28 : x
  2. Step 2: Convert to fraction form
    111,636.40/167,311.92 = 52,341.28/x
  3. Step 3: Cross multiply
    111,636.40x = 167,311.92 × 52,341.28
  4. Step 4: Simplify right side
    111,636.40x = 8,757,320,052.06
  5. Step 5: Solve for x
    x = 8,757,320,052.06/111,636.40
  6. Step 6: Final answer
    x = 78,445.02

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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.