Home / 234,170.24-323,191.32-153,830.48

Finding the Fourth Proportional to 234,170.24, 323,191.32 and 153,830.48

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Solution

The fourth proportional to 234,170.24, 323,191.32 and 153,830.48 is: 212,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,170.24 : 323,191.32 = 153,830.48 : x
  2. Step 2: Convert to fraction form
    234,170.24/323,191.32 = 153,830.48/x
  3. Step 3: Cross multiply
    234,170.24x = 323,191.32 × 153,830.48
  4. Step 4: Simplify right side
    234,170.24x = 49,716,675,887.43
  5. Step 5: Solve for x
    x = 49,716,675,887.43/234,170.24
  6. Step 6: Final answer
    x = 212,309.97

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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.