Home / 354,290.28-531,344.70-104,913.96

Finding the Fourth Proportional to 354,290.28, 531,344.70 and 104,913.96

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Solution

The fourth proportional to 354,290.28, 531,344.70 and 104,913.96 is: 157,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,290.28 : 531,344.70 = 104,913.96 : x
  2. Step 2: Convert to fraction form
    354,290.28/531,344.70 = 104,913.96/x
  3. Step 3: Cross multiply
    354,290.28x = 531,344.70 × 104,913.96
  4. Step 4: Simplify right side
    354,290.28x = 55,745,476,602.01
  5. Step 5: Solve for x
    x = 55,745,476,602.01/354,290.28
  6. Step 6: Final answer
    x = 157,344.08

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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.