Home / 209,330.19-288,863.82-113,836.86

Finding the Fourth Proportional to 209,330.19, 288,863.82 and 113,836.86

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Solution

The fourth proportional to 209,330.19, 288,863.82 and 113,836.86 is: 157,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,330.19 : 288,863.82 = 113,836.86 : x
  2. Step 2: Convert to fraction form
    209,330.19/288,863.82 = 113,836.86/x
  3. Step 3: Cross multiply
    209,330.19x = 288,863.82 × 113,836.86
  4. Step 4: Simplify right side
    209,330.19x = 32,883,350,236.41
  5. Step 5: Solve for x
    x = 32,883,350,236.41/209,330.19
  6. Step 6: Final answer
    x = 157,088.43

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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.