Home / 210,606.03-315,964.44-75,683.73

Finding the Fourth Proportional to 210,606.03, 315,964.44 and 75,683.73

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Solution

The fourth proportional to 210,606.03, 315,964.44 and 75,683.73 is: 113,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,606.03 : 315,964.44 = 75,683.73 : x
  2. Step 2: Convert to fraction form
    210,606.03/315,964.44 = 75,683.73/x
  3. Step 3: Cross multiply
    210,606.03x = 315,964.44 × 75,683.73
  4. Step 4: Simplify right side
    210,606.03x = 23,913,367,366.56
  5. Step 5: Solve for x
    x = 23,913,367,366.56/210,606.03
  6. Step 6: Final answer
    x = 113,545.50

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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.