Home / 209,818.20-289,524.06-119,141.40

Finding the Fourth Proportional to 209,818.20, 289,524.06 and 119,141.40

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Solution

The fourth proportional to 209,818.20, 289,524.06 and 119,141.40 is: 164,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,818.20 : 289,524.06 = 119,141.40 : x
  2. Step 2: Convert to fraction form
    209,818.20/289,524.06 = 119,141.40/x
  3. Step 3: Cross multiply
    209,818.20x = 289,524.06 × 119,141.40
  4. Step 4: Simplify right side
    209,818.20x = 34,494,301,842.08
  5. Step 5: Solve for x
    x = 34,494,301,842.08/209,818.20
  6. Step 6: Final answer
    x = 164,400.90

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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.