Home / 213,856.17-295,187.29-123,272.69

Finding the Fourth Proportional to 213,856.17, 295,187.29 and 123,272.69

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Solution

The fourth proportional to 213,856.17, 295,187.29 and 123,272.69 is: 170,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,856.17 : 295,187.29 = 123,272.69 : x
  2. Step 2: Convert to fraction form
    213,856.17/295,187.29 = 123,272.69/x
  3. Step 3: Cross multiply
    213,856.17x = 295,187.29 × 123,272.69
  4. Step 4: Simplify right side
    213,856.17x = 36,388,529,507.99
  5. Step 5: Solve for x
    x = 36,388,529,507.99/213,856.17
  6. Step 6: Final answer
    x = 170,154.21

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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.