Home / 191,016.20-286,524.30-149,025.80

Finding the Fourth Proportional to 191,016.20, 286,524.30 and 149,025.80

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Solution

The fourth proportional to 191,016.20, 286,524.30 and 149,025.80 is: 223,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,016.20 : 286,524.30 = 149,025.80 : x
  2. Step 2: Convert to fraction form
    191,016.20/286,524.30 = 149,025.80/x
  3. Step 3: Cross multiply
    191,016.20x = 286,524.30 × 149,025.80
  4. Step 4: Simplify right side
    191,016.20x = 42,699,513,026.94
  5. Step 5: Solve for x
    x = 42,699,513,026.94/191,016.20
  6. Step 6: Final answer
    x = 223,538.70

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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.