Home / 225,984.47-311,857.70-124,011.63

Finding the Fourth Proportional to 225,984.47, 311,857.70 and 124,011.63

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Solution

The fourth proportional to 225,984.47, 311,857.70 and 124,011.63 is: 171,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,984.47 : 311,857.70 = 124,011.63 : x
  2. Step 2: Convert to fraction form
    225,984.47/311,857.70 = 124,011.63/x
  3. Step 3: Cross multiply
    225,984.47x = 311,857.70 × 124,011.63
  4. Step 4: Simplify right side
    225,984.47x = 38,673,981,084.99
  5. Step 5: Solve for x
    x = 38,673,981,084.99/225,984.47
  6. Step 6: Final answer
    x = 171,135.57

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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.