Home / 152,103.24-209,850.48-91,651.14

Finding the Fourth Proportional to 152,103.24, 209,850.48 and 91,651.14

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Solution

The fourth proportional to 152,103.24, 209,850.48 and 91,651.14 is: 126,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,103.24 : 209,850.48 = 91,651.14 : x
  2. Step 2: Convert to fraction form
    152,103.24/209,850.48 = 91,651.14/x
  3. Step 3: Cross multiply
    152,103.24x = 209,850.48 × 91,651.14
  4. Step 4: Simplify right side
    152,103.24x = 19,233,035,721.55
  5. Step 5: Solve for x
    x = 19,233,035,721.55/152,103.24
  6. Step 6: Final answer
    x = 126,447.25

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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.