Home / 117,057.88-175,614.78-38,172.18

Finding the Fourth Proportional to 117,057.88, 175,614.78 and 38,172.18

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Solution

The fourth proportional to 117,057.88, 175,614.78 and 38,172.18 is: 57,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,057.88 : 175,614.78 = 38,172.18 : x
  2. Step 2: Convert to fraction form
    117,057.88/175,614.78 = 38,172.18/x
  3. Step 3: Cross multiply
    117,057.88x = 175,614.78 × 38,172.18
  4. Step 4: Simplify right side
    117,057.88x = 6,703,598,992.82
  5. Step 5: Solve for x
    x = 6,703,598,992.82/117,057.88
  6. Step 6: Final answer
    x = 57,267.39

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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.