Home / 209,230.68-288,716.76-124,331.34

Finding the Fourth Proportional to 209,230.68, 288,716.76 and 124,331.34

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Solution

The fourth proportional to 209,230.68, 288,716.76 and 124,331.34 is: 171,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,230.68 : 288,716.76 = 124,331.34 : x
  2. Step 2: Convert to fraction form
    209,230.68/288,716.76 = 124,331.34/x
  3. Step 3: Cross multiply
    209,230.68x = 288,716.76 × 124,331.34
  4. Step 4: Simplify right side
    209,230.68x = 35,896,541,651.26
  5. Step 5: Solve for x
    x = 35,896,541,651.26/209,230.68
  6. Step 6: Final answer
    x = 171,564.43

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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.