Home / 189,824.80-284,780.40-110,898.40

Finding the Fourth Proportional to 189,824.80, 284,780.40 and 110,898.40

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Solution

The fourth proportional to 189,824.80, 284,780.40 and 110,898.40 is: 166,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,824.80 : 284,780.40 = 110,898.40 : x
  2. Step 2: Convert to fraction form
    189,824.80/284,780.40 = 110,898.40/x
  3. Step 3: Cross multiply
    189,824.80x = 284,780.40 × 110,898.40
  4. Step 4: Simplify right side
    189,824.80x = 31,581,690,711.36
  5. Step 5: Solve for x
    x = 31,581,690,711.36/189,824.80
  6. Step 6: Final answer
    x = 166,372.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.