Home / 195,165.88-269,403.23-127,199.39

Finding the Fourth Proportional to 195,165.88, 269,403.23 and 127,199.39

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Solution

The fourth proportional to 195,165.88, 269,403.23 and 127,199.39 is: 175,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,165.88 : 269,403.23 = 127,199.39 : x
  2. Step 2: Convert to fraction form
    195,165.88/269,403.23 = 127,199.39/x
  3. Step 3: Cross multiply
    195,165.88x = 269,403.23 × 127,199.39
  4. Step 4: Simplify right side
    195,165.88x = 34,267,925,491.01
  5. Step 5: Solve for x
    x = 34,267,925,491.01/195,165.88
  6. Step 6: Final answer
    x = 175,583.59

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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.