Home / 316,189.04-436,344.30-172,945.94

Finding the Fourth Proportional to 316,189.04, 436,344.30 and 172,945.94

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Solution

The fourth proportional to 316,189.04, 436,344.30 and 172,945.94 is: 238,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,189.04 : 436,344.30 = 172,945.94 : x
  2. Step 2: Convert to fraction form
    316,189.04/436,344.30 = 172,945.94/x
  3. Step 3: Cross multiply
    316,189.04x = 436,344.30 × 172,945.94
  4. Step 4: Simplify right side
    316,189.04x = 75,463,972,945.42
  5. Step 5: Solve for x
    x = 75,463,972,945.42/316,189.04
  6. Step 6: Final answer
    x = 238,667.27

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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.