Home / 191,018.58-263,600.88-106,135.86

Finding the Fourth Proportional to 191,018.58, 263,600.88 and 106,135.86

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Solution

The fourth proportional to 191,018.58, 263,600.88 and 106,135.86 is: 146,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,018.58 : 263,600.88 = 106,135.86 : x
  2. Step 2: Convert to fraction form
    191,018.58/263,600.88 = 106,135.86/x
  3. Step 3: Cross multiply
    191,018.58x = 263,600.88 × 106,135.86
  4. Step 4: Simplify right side
    191,018.58x = 27,977,506,095.56
  5. Step 5: Solve for x
    x = 27,977,506,095.56/191,018.58
  6. Step 6: Final answer
    x = 146,464.84

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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.