Home / 214,945.12-296,927.82-172,208.40

Finding the Fourth Proportional to 214,945.12, 296,927.82 and 172,208.40

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Solution

The fourth proportional to 214,945.12, 296,927.82 and 172,208.40 is: 237,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,945.12 : 296,927.82 = 172,208.40 : x
  2. Step 2: Convert to fraction form
    214,945.12/296,927.82 = 172,208.40/x
  3. Step 3: Cross multiply
    214,945.12x = 296,927.82 × 172,208.40
  4. Step 4: Simplify right side
    214,945.12x = 51,133,463,936.65
  5. Step 5: Solve for x
    x = 51,133,463,936.65/214,945.12
  6. Step 6: Final answer
    x = 237,890.79

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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.