Home / 210,133.08-315,249.44-60,369.75

Finding the Fourth Proportional to 210,133.08, 315,249.44 and 60,369.75

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Solution

The fourth proportional to 210,133.08, 315,249.44 and 60,369.75 is: 90,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,133.08 : 315,249.44 = 60,369.75 : x
  2. Step 2: Convert to fraction form
    210,133.08/315,249.44 = 60,369.75/x
  3. Step 3: Cross multiply
    210,133.08x = 315,249.44 × 60,369.75
  4. Step 4: Simplify right side
    210,133.08x = 19,031,529,578.59
  5. Step 5: Solve for x
    x = 19,031,529,578.59/210,133.08
  6. Step 6: Final answer
    x = 90,568.94

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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.