Home / 114,139.41-171,238.30-66,794.37

Finding the Fourth Proportional to 114,139.41, 171,238.30 and 66,794.37

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Solution

The fourth proportional to 114,139.41, 171,238.30 and 66,794.37 is: 100,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,139.41 : 171,238.30 = 66,794.37 : x
  2. Step 2: Convert to fraction form
    114,139.41/171,238.30 = 66,794.37/x
  3. Step 3: Cross multiply
    114,139.41x = 171,238.30 × 66,794.37
  4. Step 4: Simplify right side
    114,139.41x = 11,437,754,368.37
  5. Step 5: Solve for x
    x = 11,437,754,368.37/114,139.41
  6. Step 6: Final answer
    x = 100,208.63

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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.