Home / 319,667.79-441,198.77-190,614.61

Finding the Fourth Proportional to 319,667.79, 441,198.77 and 190,614.61

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Solution

The fourth proportional to 319,667.79, 441,198.77 and 190,614.61 is: 263,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,667.79 : 441,198.77 = 190,614.61 : x
  2. Step 2: Convert to fraction form
    319,667.79/441,198.77 = 190,614.61/x
  3. Step 3: Cross multiply
    319,667.79x = 441,198.77 × 190,614.61
  4. Step 4: Simplify right side
    319,667.79x = 84,098,931,476.03
  5. Step 5: Solve for x
    x = 84,098,931,476.03/319,667.79
  6. Step 6: Final answer
    x = 263,082.28

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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.