Home / 208,011.83-312,017.00-50,240.30

Finding the Fourth Proportional to 208,011.83, 312,017.00 and 50,240.30

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Solution

The fourth proportional to 208,011.83, 312,017.00 and 50,240.30 is: 75,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,011.83 : 312,017.00 = 50,240.30 : x
  2. Step 2: Convert to fraction form
    208,011.83/312,017.00 = 50,240.30/x
  3. Step 3: Cross multiply
    208,011.83x = 312,017.00 × 50,240.30
  4. Step 4: Simplify right side
    208,011.83x = 15,675,825,873.81
  5. Step 5: Solve for x
    x = 15,675,825,873.81/208,011.83
  6. Step 6: Final answer
    x = 75,360.26

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Similar ratio
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1.5x scale

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.