Home / 191,006.20-286,509.30-149,015.80

Finding the Fourth Proportional to 191,006.20, 286,509.30 and 149,015.80

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Solution

The fourth proportional to 191,006.20, 286,509.30 and 149,015.80 is: 223,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,006.20 : 286,509.30 = 149,015.80 : x
  2. Step 2: Convert to fraction form
    191,006.20/286,509.30 = 149,015.80/x
  3. Step 3: Cross multiply
    191,006.20x = 286,509.30 × 149,015.80
  4. Step 4: Simplify right side
    191,006.20x = 42,694,412,546.94
  5. Step 5: Solve for x
    x = 42,694,412,546.94/191,006.20
  6. Step 6: Final answer
    x = 223,523.70

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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.