Home / 195,425.40-293,138.10-171,319.80

Finding the Fourth Proportional to 195,425.40, 293,138.10 and 171,319.80

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Solution

The fourth proportional to 195,425.40, 293,138.10 and 171,319.80 is: 256,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,425.40 : 293,138.10 = 171,319.80 : x
  2. Step 2: Convert to fraction form
    195,425.40/293,138.10 = 171,319.80/x
  3. Step 3: Cross multiply
    195,425.40x = 293,138.10 × 171,319.80
  4. Step 4: Simplify right side
    195,425.40x = 50,220,360,664.38
  5. Step 5: Solve for x
    x = 50,220,360,664.38/195,425.40
  6. Step 6: Final answer
    x = 256,979.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.