Home / 191,511.82-286,998.80-151,354.28

Finding the Fourth Proportional to 191,511.82, 286,998.80 and 151,354.28

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Solution

The fourth proportional to 191,511.82, 286,998.80 and 151,354.28 is: 226,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,511.82 : 286,998.80 = 151,354.28 : x
  2. Step 2: Convert to fraction form
    191,511.82/286,998.80 = 151,354.28/x
  3. Step 3: Cross multiply
    191,511.82x = 286,998.80 × 151,354.28
  4. Step 4: Simplify right side
    191,511.82x = 43,438,496,734.86
  5. Step 5: Solve for x
    x = 43,438,496,734.86/191,511.82
  6. Step 6: Final answer
    x = 226,818.88

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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.