Home / 191,249.24-286,611.41-121,002.80

Finding the Fourth Proportional to 191,249.24, 286,611.41 and 121,002.80

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Solution

The fourth proportional to 191,249.24, 286,611.41 and 121,002.80 is: 181,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,249.24 : 286,611.41 = 121,002.80 : x
  2. Step 2: Convert to fraction form
    191,249.24/286,611.41 = 121,002.80/x
  3. Step 3: Cross multiply
    191,249.24x = 286,611.41 × 121,002.80
  4. Step 4: Simplify right side
    191,249.24x = 34,680,781,991.40
  5. Step 5: Solve for x
    x = 34,680,781,991.40/191,249.24
  6. Step 6: Final answer
    x = 181,338.15

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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.