Home / 209,392.43-288,806.85-132,845.58

Finding the Fourth Proportional to 209,392.43, 288,806.85 and 132,845.58

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Solution

The fourth proportional to 209,392.43, 288,806.85 and 132,845.58 is: 183,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,392.43 : 288,806.85 = 132,845.58 : x
  2. Step 2: Convert to fraction form
    209,392.43/288,806.85 = 132,845.58/x
  3. Step 3: Cross multiply
    209,392.43x = 288,806.85 × 132,845.58
  4. Step 4: Simplify right side
    209,392.43x = 38,366,713,496.22
  5. Step 5: Solve for x
    x = 38,366,713,496.22/209,392.43
  6. Step 6: Final answer
    x = 183,228.76

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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.