Home / 209,490.30-289,096.68-113,994.94

Finding the Fourth Proportional to 209,490.30, 289,096.68 and 113,994.94

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Solution

The fourth proportional to 209,490.30, 289,096.68 and 113,994.94 is: 157,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,490.30 : 289,096.68 = 113,994.94 : x
  2. Step 2: Convert to fraction form
    209,490.30/289,096.68 = 113,994.94/x
  3. Step 3: Cross multiply
    209,490.30x = 289,096.68 × 113,994.94
  4. Step 4: Simplify right side
    209,490.30x = 32,955,558,690.80
  5. Step 5: Solve for x
    x = 32,955,558,690.80/209,490.30
  6. Step 6: Final answer
    x = 157,313.05

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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.