Home / 210,022.08-315,032.49-52,250.52

Finding the Fourth Proportional to 210,022.08, 315,032.49 and 52,250.52

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Solution

The fourth proportional to 210,022.08, 315,032.49 and 52,250.52 is: 78,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,022.08 : 315,032.49 = 52,250.52 : x
  2. Step 2: Convert to fraction form
    210,022.08/315,032.49 = 52,250.52/x
  3. Step 3: Cross multiply
    210,022.08x = 315,032.49 × 52,250.52
  4. Step 4: Simplify right side
    210,022.08x = 16,460,611,419.39
  5. Step 5: Solve for x
    x = 16,460,611,419.39/210,022.08
  6. Step 6: Final answer
    x = 78,375.62

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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.