Home / 182,742.32-252,215.57-106,305.78

Finding the Fourth Proportional to 182,742.32, 252,215.57 and 106,305.78

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Solution

The fourth proportional to 182,742.32, 252,215.57 and 106,305.78 is: 146,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,742.32 : 252,215.57 = 106,305.78 : x
  2. Step 2: Convert to fraction form
    182,742.32/252,215.57 = 106,305.78/x
  3. Step 3: Cross multiply
    182,742.32x = 252,215.57 × 106,305.78
  4. Step 4: Simplify right side
    182,742.32x = 26,811,971,980.50
  5. Step 5: Solve for x
    x = 26,811,971,980.50/182,742.32
  6. Step 6: Final answer
    x = 146,720.10

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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.