Home / 209,299.32-288,833.58-113,805.96

Finding the Fourth Proportional to 209,299.32, 288,833.58 and 113,805.96

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Solution

The fourth proportional to 209,299.32, 288,833.58 and 113,805.96 is: 157,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,299.32 : 288,833.58 = 113,805.96 : x
  2. Step 2: Convert to fraction form
    209,299.32/288,833.58 = 113,805.96/x
  3. Step 3: Cross multiply
    209,299.32x = 288,833.58 × 113,805.96
  4. Step 4: Simplify right side
    209,299.32x = 32,870,982,852.14
  5. Step 5: Solve for x
    x = 32,870,982,852.14/209,299.32
  6. Step 6: Final answer
    x = 157,052.51

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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.