Home / 235,780.70-325,402.18-206,440.27

Finding the Fourth Proportional to 235,780.70, 325,402.18 and 206,440.27

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Solution

The fourth proportional to 235,780.70, 325,402.18 and 206,440.27 is: 284,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,780.70 : 325,402.18 = 206,440.27 : x
  2. Step 2: Convert to fraction form
    235,780.70/325,402.18 = 206,440.27/x
  3. Step 3: Cross multiply
    235,780.70x = 325,402.18 × 206,440.27
  4. Step 4: Simplify right side
    235,780.70x = 67,176,112,568.18
  5. Step 5: Solve for x
    x = 67,176,112,568.18/235,780.70
  6. Step 6: Final answer
    x = 284,909.30

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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.