Home / 354,631.02-531,790.89-132,859.50

Finding the Fourth Proportional to 354,631.02, 531,790.89 and 132,859.50

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Solution

The fourth proportional to 354,631.02, 531,790.89 and 132,859.50 is: 199,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,631.02 : 531,790.89 = 132,859.50 : x
  2. Step 2: Convert to fraction form
    354,631.02/531,790.89 = 132,859.50/x
  3. Step 3: Cross multiply
    354,631.02x = 531,790.89 × 132,859.50
  4. Step 4: Simplify right side
    354,631.02x = 70,653,471,749.96
  5. Step 5: Solve for x
    x = 70,653,471,749.96/354,631.02
  6. Step 6: Final answer
    x = 199,230.94

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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.