Home / 345,301.68-517,996.26-95,983.68

Finding the Fourth Proportional to 345,301.68, 517,996.26 and 95,983.68

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Solution

The fourth proportional to 345,301.68, 517,996.26 and 95,983.68 is: 143,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,301.68 : 517,996.26 = 95,983.68 : x
  2. Step 2: Convert to fraction form
    345,301.68/517,996.26 = 95,983.68/x
  3. Step 3: Cross multiply
    345,301.68x = 517,996.26 × 95,983.68
  4. Step 4: Simplify right side
    345,301.68x = 49,719,187,261.04
  5. Step 5: Solve for x
    x = 49,719,187,261.04/345,301.68
  6. Step 6: Final answer
    x = 143,987.68

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1.5x scale

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.