Home / 272,986.20-409,479.30-95,474.70

Finding the Fourth Proportional to 272,986.20, 409,479.30 and 95,474.70

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Solution

The fourth proportional to 272,986.20, 409,479.30 and 95,474.70 is: 143,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,986.20 : 409,479.30 = 95,474.70 : x
  2. Step 2: Convert to fraction form
    272,986.20/409,479.30 = 95,474.70/x
  3. Step 3: Cross multiply
    272,986.20x = 409,479.30 × 95,474.70
  4. Step 4: Simplify right side
    272,986.20x = 39,094,913,323.71
  5. Step 5: Solve for x
    x = 39,094,913,323.71/272,986.20
  6. Step 6: Final answer
    x = 143,212.05

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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.