Home / 410,586.23-615,896.30-140,899.73

Finding the Fourth Proportional to 410,586.23, 615,896.30 and 140,899.73

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Solution

The fourth proportional to 410,586.23, 615,896.30 and 140,899.73 is: 211,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,586.23 : 615,896.30 = 140,899.73 : x
  2. Step 2: Convert to fraction form
    410,586.23/615,896.30 = 140,899.73/x
  3. Step 3: Cross multiply
    410,586.23x = 615,896.30 × 140,899.73
  4. Step 4: Simplify right side
    410,586.23x = 86,779,624,269.99
  5. Step 5: Solve for x
    x = 86,779,624,269.99/410,586.23
  6. Step 6: Final answer
    x = 211,355.42

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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.