Home / 194,489.40-291,708.18-54,236.28

Finding the Fourth Proportional to 194,489.40, 291,708.18 and 54,236.28

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Solution

The fourth proportional to 194,489.40, 291,708.18 and 54,236.28 is: 81,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,489.40 : 291,708.18 = 54,236.28 : x
  2. Step 2: Convert to fraction form
    194,489.40/291,708.18 = 54,236.28/x
  3. Step 3: Cross multiply
    194,489.40x = 291,708.18 × 54,236.28
  4. Step 4: Simplify right side
    194,489.40x = 15,821,166,528.77
  5. Step 5: Solve for x
    x = 15,821,166,528.77/194,489.40
  6. Step 6: Final answer
    x = 81,347.19

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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.