Home / 214,205.72-295,640.48-123,545.45

Finding the Fourth Proportional to 214,205.72, 295,640.48 and 123,545.45

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Solution

The fourth proportional to 214,205.72, 295,640.48 and 123,545.45 is: 170,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,205.72 : 295,640.48 = 123,545.45 : x
  2. Step 2: Convert to fraction form
    214,205.72/295,640.48 = 123,545.45/x
  3. Step 3: Cross multiply
    214,205.72x = 295,640.48 × 123,545.45
  4. Step 4: Simplify right side
    214,205.72x = 36,525,037,187.78
  5. Step 5: Solve for x
    x = 36,525,037,187.78/214,205.72
  6. Step 6: Final answer
    x = 170,513.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.