Home / 112,466.40-168,505.20-73,003.20

Finding the Fourth Proportional to 112,466.40, 168,505.20 and 73,003.20

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Solution

The fourth proportional to 112,466.40, 168,505.20 and 73,003.20 is: 109,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,466.40 : 168,505.20 = 73,003.20 : x
  2. Step 2: Convert to fraction form
    112,466.40/168,505.20 = 73,003.20/x
  3. Step 3: Cross multiply
    112,466.40x = 168,505.20 × 73,003.20
  4. Step 4: Simplify right side
    112,466.40x = 12,301,418,816.64
  5. Step 5: Solve for x
    x = 12,301,418,816.64/112,466.40
  6. Step 6: Final answer
    x = 109,378.61

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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.