Home / 209,445.04-289,025.58-113,951.83

Finding the Fourth Proportional to 209,445.04, 289,025.58 and 113,951.83

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Solution

The fourth proportional to 209,445.04, 289,025.58 and 113,951.83 is: 157,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,445.04 : 289,025.58 = 113,951.83 : x
  2. Step 2: Convert to fraction form
    209,445.04/289,025.58 = 113,951.83/x
  3. Step 3: Cross multiply
    209,445.04x = 289,025.58 × 113,951.83
  4. Step 4: Simplify right side
    209,445.04x = 32,934,993,757.81
  5. Step 5: Solve for x
    x = 32,934,993,757.81/209,445.04
  6. Step 6: Final answer
    x = 157,248.86

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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.