Home / 191,090.66-263,703.20-106,205.90

Finding the Fourth Proportional to 191,090.66, 263,703.20 and 106,205.90

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Solution

The fourth proportional to 191,090.66, 263,703.20 and 106,205.90 is: 146,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,090.66 : 263,703.20 = 106,205.90 : x
  2. Step 2: Convert to fraction form
    191,090.66/263,703.20 = 106,205.90/x
  3. Step 3: Cross multiply
    191,090.66x = 263,703.20 × 106,205.90
  4. Step 4: Simplify right side
    191,090.66x = 28,006,835,688.88
  5. Step 5: Solve for x
    x = 28,006,835,688.88/191,090.66
  6. Step 6: Final answer
    x = 146,563.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.